Commit 69550d41 authored by Chao Fan's avatar Chao Fan Committed by Thomas Gleixner

x86/boot/KASLR: Remove unused variable

There are two variables "rc" in mem_avoid_memmap. One at the top of the
function and another one inside the while() loop. Drop the outer one as it
is unused. Cleanup some whitespace damage while at it.
Signed-off-by: default avatarChao Fan <fanc.fnst@cn.fujitsu.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: gregkh@linuxfoundation.org
Cc: n-horiguchi@ah.jp.nec.com
Cc: keescook@chromium.org
Link: https://lkml.kernel.org/r/20171123090847.15293-1-fanc.fnst@cn.fujitsu.com
parent ca37e57b
...@@ -171,7 +171,6 @@ parse_memmap(char *p, unsigned long long *start, unsigned long long *size) ...@@ -171,7 +171,6 @@ parse_memmap(char *p, unsigned long long *start, unsigned long long *size)
static void mem_avoid_memmap(char *str) static void mem_avoid_memmap(char *str)
{ {
static int i; static int i;
int rc;
if (i >= MAX_MEMMAP_REGIONS) if (i >= MAX_MEMMAP_REGIONS)
return; return;
...@@ -219,7 +218,7 @@ static int handle_mem_memmap(void) ...@@ -219,7 +218,7 @@ static int handle_mem_memmap(void)
return 0; return 0;
tmp_cmdline = malloc(len + 1); tmp_cmdline = malloc(len + 1);
if (!tmp_cmdline ) if (!tmp_cmdline)
error("Failed to allocate space for tmp_cmdline"); error("Failed to allocate space for tmp_cmdline");
memcpy(tmp_cmdline, args, len); memcpy(tmp_cmdline, args, len);
...@@ -363,7 +362,7 @@ static void mem_avoid_init(unsigned long input, unsigned long input_size, ...@@ -363,7 +362,7 @@ static void mem_avoid_init(unsigned long input, unsigned long input_size,
cmd_line |= boot_params->hdr.cmd_line_ptr; cmd_line |= boot_params->hdr.cmd_line_ptr;
/* Calculate size of cmd_line. */ /* Calculate size of cmd_line. */
ptr = (char *)(unsigned long)cmd_line; ptr = (char *)(unsigned long)cmd_line;
for (cmd_line_size = 0; ptr[cmd_line_size++]; ) for (cmd_line_size = 0; ptr[cmd_line_size++];)
; ;
mem_avoid[MEM_AVOID_CMDLINE].start = cmd_line; mem_avoid[MEM_AVOID_CMDLINE].start = cmd_line;
mem_avoid[MEM_AVOID_CMDLINE].size = cmd_line_size; mem_avoid[MEM_AVOID_CMDLINE].size = cmd_line_size;
......
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