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| author | Chao Fan <fanc.fnst@cn.fujitsu.com> | 2017-11-23 17:08:47 +0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-11-23 20:17:59 +0100 |
| commit | 69550d41ff9c884c6d996fca41037974b2255852 (patch) | |
| tree | bdb4e889854a5883f8c51ca0a32582dcadc1e9b8 | |
| parent | ca37e57bbe0cf1455ea3e84eb89ed04a132d59e1 (diff) | |
| download | lwn-69550d41ff9c884c6d996fca41037974b2255852.tar.gz lwn-69550d41ff9c884c6d996fca41037974b2255852.zip | |
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: Chao Fan <fanc.fnst@cn.fujitsu.com>
Signed-off-by: Thomas 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
| -rw-r--r-- | arch/x86/boot/compressed/kaslr.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c index a63fbc25ce84..8199a6187251 100644 --- a/arch/x86/boot/compressed/kaslr.c +++ b/arch/x86/boot/compressed/kaslr.c @@ -171,7 +171,6 @@ parse_memmap(char *p, unsigned long long *start, unsigned long long *size) static void mem_avoid_memmap(char *str) { static int i; - int rc; if (i >= MAX_MEMMAP_REGIONS) return; @@ -219,7 +218,7 @@ static int handle_mem_memmap(void) return 0; tmp_cmdline = malloc(len + 1); - if (!tmp_cmdline ) + if (!tmp_cmdline) error("Failed to allocate space for tmp_cmdline"); memcpy(tmp_cmdline, args, len); @@ -363,7 +362,7 @@ static void mem_avoid_init(unsigned long input, unsigned long input_size, cmd_line |= boot_params->hdr.cmd_line_ptr; /* Calculate size of 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].size = cmd_line_size; |