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Commit b2999af9 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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media: atomisp: fix casts at atomisp_compat_ioctl32.c 

There are several warnings reported by sparse with regards to wrong
typecasts:

    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:73:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:73:13:     expected void *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:73:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:247:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:247:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:247:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:248:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:248:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:248:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:249:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:249:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:249:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:250:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:250:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:250:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:282:30:  warning: incorrect type in argument 2 (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:282:30:     expected void const *from
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:282:30:     got struct atomisp_3a_statistics [noderef] __user *kp
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:308:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:308:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:308:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:327:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:327:13:     expected void [noderef] __user *effective_width
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:327:13:     got unsigned int [usertype] *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:348:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:348:13:     expected void [noderef] __user *effective_width
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:348:13:     got unsigned int [usertype] *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:372:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:372:13:     expected unsigned int [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:372:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:433:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:433:13:     expected struct v4l2_framebuffer *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:433:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:462:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:462:13:     expected void [noderef] __user *frame
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:462:13:     got struct v4l2_framebuffer *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:496:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:496:13:     expected unsigned short *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:496:13:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:511:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:511:13:     expected void [noderef] __user *calb_grp_values
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:511:13:     got unsigned short *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:630:21:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:630:21:     expected unsigned short [usertype] *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:630:21:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:715:27:  warning: cast removes address space '__user' of expression
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:715:27:  warning: incorrect type in initializer (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:715:27:     expected struct <noident> [noderef] __user *karg
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:715:27:     got void *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:721:39:  warning: cast removes address space '__user' of expression
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:21:  warning: incorrect type in argument 1 (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:21:     expected void const volatile [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:21:     got unsigned int [usertype] *src
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:43:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:43:     expected void *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:725:43:     got void [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:741:21:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:741:21:     expected struct atomisp_shading_table *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:741:21:     got struct atomisp_shading_table [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:747:21:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:747:21:     expected struct atomisp_morph_table *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:747:21:     got struct atomisp_morph_table [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:753:21:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:753:21:     expected struct atomisp_dis_coefficients *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:753:21:     got struct atomisp_dis_coefficients [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:760:14:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:760:14:     expected struct atomisp_dvs_6axis_config *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:760:14:     got struct atomisp_dvs_6axis_config [noderef] __user *
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:817:13:  warning: incorrect type in assignment (different address spaces)
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:817:13:     expected struct atomisp_sensor_ae_bracketing_lut_entry *__pu_val
    drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c:817:13:     got void [noderef] __user *

Use the same strategies used at v4l2-compat32.c, in order to
solve them and avoid warnings.
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 15a36aae
Hide whitespace changes
Inline Side-by-side
Showing with 48 additions and 36 deletions
drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c
View file @ b2999af9
......@@ -25,15 +25,25 @@
#include "atomisp_ioctl.h"
#include "atomisp_compat_ioctl32.h"
/* Macro borrowed from v4l2-compat-ioctl32.c */
/* Use the same argument order as copy_in_user */
#define assign_in_user(to, from) \
({ \
typeof(*from) __assign_tmp; \
\
get_user(__assign_tmp, from) || put_user(__assign_tmp, to); \
/* Macros borrowed from v4l2-compat-ioctl32.c */
#define get_user_cast(__x, __ptr) \
({ \
get_user(__x, (typeof(*__ptr) __user *)(__ptr)); \
})
#define put_user_force(__x, __ptr) \
({ \
put_user((typeof(*__x) __force *)(__x), __ptr); \
})
/* Use the same argument order as copy_in_user */
#define assign_in_user(to, from) \
({ \
typeof(*from) __assign_tmp; \
\
get_user_cast(__assign_tmp, from) || put_user(__assign_tmp, to);\
})
static int get_atomisp_histogram32(struct atomisp_histogram __user *kp,
struct atomisp_histogram32 __user *up)
......@@ -64,13 +74,13 @@ static int put_atomisp_histogram32(struct atomisp_histogram __user *kp,
}
static int get_v4l2_framebuffer32(struct v4l2_framebuffer __user *kp,
struct v4l2_framebuffer32 __user *up)
struct v4l2_framebuffer32 __user *up)
{
compat_uptr_t tmp;
if (!access_ok(up, sizeof(struct v4l2_framebuffer32)) ||
get_user(tmp, &up->base) ||
put_user(compat_ptr(tmp), &kp->base) ||
put_user_force(compat_ptr(tmp), &kp->base) ||
assign_in_user(&kp->capability, &up->capability) ||
assign_in_user(&kp->flags, &up->flags) ||
copy_in_user(&kp->fmt, &up->fmt, sizeof(kp->fmt)))
......@@ -244,10 +254,10 @@ static int get_atomisp_dvs_6axis_config32(struct atomisp_dvs_6axis_config __user
get_user(ycoords_y, &up->ycoords_y) ||
get_user(xcoords_uv, &up->xcoords_uv) ||
get_user(ycoords_uv, &up->ycoords_uv) ||
put_user(compat_ptr(xcoords_y), &kp->xcoords_y) ||
put_user(compat_ptr(ycoords_y), &kp->ycoords_y) ||
put_user(compat_ptr(xcoords_uv), &kp->xcoords_uv) ||
put_user(compat_ptr(ycoords_uv), &kp->ycoords_uv))
put_user_force(compat_ptr(xcoords_y), &kp->xcoords_y) ||
put_user_force(compat_ptr(ycoords_y), &kp->ycoords_y) ||
put_user_force(compat_ptr(xcoords_uv), &kp->xcoords_uv) ||
put_user_force(compat_ptr(ycoords_uv), &kp->ycoords_uv))
return -EFAULT;
return 0;
......@@ -279,7 +289,7 @@ static int put_atomisp_3a_statistics32(struct atomisp_3a_statistics __user *kp,
void __user *rgby_data;
if (!access_ok(up, sizeof(struct atomisp_3a_statistics32)) ||
copy_to_user(up, kp, sizeof(struct atomisp_grid_info)) ||
copy_in_user(up, kp, sizeof(struct atomisp_grid_info)) ||
get_user(rgby_data, &kp->rgby_data) ||
put_user(ptr_to_compat(rgby_data), &up->rgby_data) ||
get_user(data, &kp->data) ||
......@@ -305,7 +315,7 @@ static int get_atomisp_metadata_stat32(struct atomisp_metadata __user *kp,
assign_in_user(&kp->stride, &up->stride) ||
assign_in_user(&kp->exp_id, &up->exp_id) ||
get_user(effective_width, &up->effective_width) ||
put_user(compat_ptr(effective_width), &kp->effective_width))
put_user_force(compat_ptr(effective_width), &kp->effective_width))
return -EFAULT;
return 0;
......@@ -315,7 +325,7 @@ static int put_atomisp_metadata_stat32(struct atomisp_metadata __user *kp,
struct atomisp_metadata32 __user *up)
{
void __user *data;
void __user *effective_width;
void *effective_width;
if (!access_ok(up, sizeof(struct atomisp_metadata32)) ||
get_user(data, &kp->data) ||
......@@ -325,7 +335,8 @@ static int put_atomisp_metadata_stat32(struct atomisp_metadata __user *kp,
assign_in_user(&up->stride, &kp->stride) ||
assign_in_user(&up->exp_id, &kp->exp_id) ||
get_user(effective_width, &kp->effective_width) ||
put_user(ptr_to_compat(effective_width), &up->effective_width))
put_user(ptr_to_compat((void __user *)effective_width),
&up->effective_width))
return -EFAULT;
return 0;
......@@ -336,7 +347,7 @@ put_atomisp_metadata_by_type_stat32(struct atomisp_metadata_with_type __user *kp
struct atomisp_metadata_with_type32 __user *up)
{
void __user *data;
void __user *effective_width;
u32 *effective_width;
if (!access_ok(up, sizeof(struct atomisp_metadata_with_type32)) ||
get_user(data, &kp->data) ||
......@@ -346,7 +357,7 @@ put_atomisp_metadata_by_type_stat32(struct atomisp_metadata_with_type __user *kp
assign_in_user(&up->stride, &kp->stride) ||
assign_in_user(&up->exp_id, &kp->exp_id) ||
get_user(effective_width, &kp->effective_width) ||
put_user(ptr_to_compat(effective_width),
put_user(ptr_to_compat((void __user *)effective_width),
&up->effective_width) ||
assign_in_user(&up->type, &kp->type))
return -EFAULT;
......@@ -369,7 +380,7 @@ get_atomisp_metadata_by_type_stat32(struct atomisp_metadata_with_type __user *kp
assign_in_user(&kp->stride, &up->stride) ||
assign_in_user(&kp->exp_id, &up->exp_id) ||
get_user(effective_width, &up->effective_width) ||
put_user(compat_ptr(effective_width), &kp->effective_width) ||
put_user_force(compat_ptr(effective_width), &kp->effective_width) ||
assign_in_user(&kp->type, &up->type))
return -EFAULT;
......@@ -430,7 +441,7 @@ static int get_atomisp_overlay32(struct atomisp_overlay __user *kp,
if (!access_ok(up, sizeof(struct atomisp_overlay32)) ||
get_user(frame, &up->frame) ||
put_user(compat_ptr(frame), &kp->frame) ||
put_user_force(compat_ptr(frame), &kp->frame) ||
assign_in_user(&kp->bg_y, &up->bg_y) ||
assign_in_user(&kp->bg_u, &up->bg_u) ||
assign_in_user(&kp->bg_v, &up->bg_v) ||
......@@ -456,11 +467,11 @@ static int get_atomisp_overlay32(struct atomisp_overlay __user *kp,
static int put_atomisp_overlay32(struct atomisp_overlay __user *kp,
struct atomisp_overlay32 __user *up)
{
void __user *frame;
void *frame;
if (!access_ok(up, sizeof(struct atomisp_overlay32)) ||
get_user(frame, &kp->frame) ||
put_user(ptr_to_compat(frame), &up->frame) ||
put_user(ptr_to_compat((void __user *)frame), &up->frame) ||
assign_in_user(&up->bg_y, &kp->bg_y) ||
assign_in_user(&up->bg_u, &kp->bg_u) ||
assign_in_user(&up->bg_v, &kp->bg_v) ||
......@@ -493,7 +504,7 @@ get_atomisp_calibration_group32(struct atomisp_calibration_group __user *kp,
assign_in_user(&kp->size, &up->size) ||
assign_in_user(&kp->type, &up->type) ||
get_user(calb_grp_values, &up->calb_grp_values) ||
put_user(compat_ptr(calb_grp_values), &kp->calb_grp_values))
put_user_force(compat_ptr(calb_grp_values), &kp->calb_grp_values))
return -EFAULT;
return 0;
......@@ -503,13 +514,14 @@ static int
put_atomisp_calibration_group32(struct atomisp_calibration_group __user *kp,
struct atomisp_calibration_group32 __user *up)
{
void __user *calb_grp_values;
void *calb_grp_values;
if (!access_ok(up, sizeof(struct atomisp_calibration_group32)) ||
assign_in_user(&up->size, &kp->size) ||
assign_in_user(&up->type, &kp->type) ||
get_user(calb_grp_values, &kp->calb_grp_values) ||
put_user(ptr_to_compat(calb_grp_values), &up->calb_grp_values))
put_user(ptr_to_compat((void __user *)calb_grp_values),
&up->calb_grp_values))
return -EFAULT;
return 0;
......@@ -523,7 +535,7 @@ static int get_atomisp_acc_fw_load32(struct atomisp_acc_fw_load __user *kp,
if (!access_ok(up, sizeof(struct atomisp_acc_fw_load32)) ||
assign_in_user(&kp->size, &up->size) ||
assign_in_user(&kp->fw_handle, &up->fw_handle) ||
get_user(data, &up->data) ||
get_user_cast(data, &up->data) ||
put_user(compat_ptr(data), &kp->data))
return -EFAULT;
......@@ -627,7 +639,7 @@ static int get_atomisp_shading_table32(struct atomisp_shading_table __user *kp,
compat_uptr_t tmp;
if (get_user(tmp, &up->data[n]) ||
put_user(compat_ptr(tmp), &kp->data[n]))
put_user_force(compat_ptr(tmp), &kp->data[n]))
return -EFAULT;
}
return 0;
......@@ -712,17 +724,17 @@ static int get_atomisp_parameters32(struct atomisp_parameters __user *kp,
struct atomisp_morph_table morph_table;
struct atomisp_dis_coefficients dvs2_coefs;
struct atomisp_dvs_6axis_config dvs_6axis_config;
} __user *karg = (void *)(kp + 1);
} __user *karg = (void __user *)(kp + 1);
if (!access_ok(up, sizeof(struct atomisp_parameters32)))
return -EFAULT;
while (n >= 0) {
compat_uptr_t *src = (compat_uptr_t *)up + n;
compat_uptr_t __user *src = (compat_uptr_t __user *)up + n;
void * __user *dst = (void * __user *)kp + n;
compat_uptr_t tmp;
if (get_user(tmp, src) || put_user(compat_ptr(tmp), dst))
if (get_user_cast(tmp, src) || put_user_force(compat_ptr(tmp), dst))
return -EFAULT;
n--;
}
......@@ -738,26 +750,26 @@ static int get_atomisp_parameters32(struct atomisp_parameters __user *kp,
/* handle shading table */
if (stp && (get_atomisp_shading_table32(&karg->shading_table,
compat_ptr(stp)) ||
put_user(&karg->shading_table, &kp->shading_table)))
put_user_force(&karg->shading_table, &kp->shading_table)))
return -EFAULT;
/* handle morph table */
if (mtp && (get_atomisp_morph_table32(&karg->morph_table,
compat_ptr(mtp)) ||
put_user(&karg->morph_table, &kp->morph_table)))
put_user_force(&karg->morph_table, &kp->morph_table)))
return -EFAULT;
/* handle dvs2 coefficients */
if (dcp && (get_atomisp_dis_coefficients32(&karg->dvs2_coefs,
compat_ptr(dcp)) ||
put_user(&karg->dvs2_coefs, &kp->dvs2_coefs)))
put_user_force(&karg->dvs2_coefs, &kp->dvs2_coefs)))
return -EFAULT;
/* handle dvs 6axis configuration */
if (dscp &&
(get_atomisp_dvs_6axis_config32(&karg->dvs_6axis_config,
compat_ptr(dscp)) ||
put_user(&karg->dvs_6axis_config, &kp->dvs_6axis_config)))
put_user_force(&karg->dvs_6axis_config, &kp->dvs_6axis_config)))
return -EFAULT;
return 0;
......@@ -814,7 +826,7 @@ get_atomisp_sensor_ae_bracketing_lut(struct atomisp_sensor_ae_bracketing_lut __u
if (!access_ok(up, sizeof(struct atomisp_sensor_ae_bracketing_lut32)) ||
assign_in_user(&kp->lut_size, &up->lut_size) ||
get_user(lut, &up->lut) ||
put_user(compat_ptr(lut), &kp->lut))
put_user_force(compat_ptr(lut), &kp->lut))
return -EFAULT;
return 0;
......
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