Commit 39a10ac2 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds

proc: kmalloc struct pde_opener

kzalloc is too much, half of the fields will be reinitialized anyway.

If proc file doesn't have ->release hook (some still do not), clearing
is unnecessary because it will be freed immediately.

Link: http://lkml.kernel.org/r/20161029155747.GC1246@avx2Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f5887c71
...@@ -321,7 +321,7 @@ static int proc_reg_open(struct inode *inode, struct file *file) ...@@ -321,7 +321,7 @@ static int proc_reg_open(struct inode *inode, struct file *file)
* by hand in remove_proc_entry(). For this, save opener's credentials * by hand in remove_proc_entry(). For this, save opener's credentials
* for later. * for later.
*/ */
pdeo = kzalloc(sizeof(struct pde_opener), GFP_KERNEL); pdeo = kmalloc(sizeof(struct pde_opener), GFP_KERNEL);
if (!pdeo) if (!pdeo)
return -ENOMEM; return -ENOMEM;
...@@ -338,6 +338,8 @@ static int proc_reg_open(struct inode *inode, struct file *file) ...@@ -338,6 +338,8 @@ static int proc_reg_open(struct inode *inode, struct file *file)
if (rv == 0 && release) { if (rv == 0 && release) {
/* To know what to release. */ /* To know what to release. */
pdeo->file = file; pdeo->file = file;
pdeo->closing = false;
pdeo->c = NULL;
/* Strictly for "too late" ->release in proc_reg_release(). */ /* Strictly for "too late" ->release in proc_reg_release(). */
spin_lock(&pde->pde_unload_lock); spin_lock(&pde->pde_unload_lock);
list_add(&pdeo->lh, &pde->pde_openers); list_add(&pdeo->lh, &pde->pde_openers);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment