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acpi/apei/erst: Add missing iounmap() on error in erst_exec_move_data()

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Add the missing iounmap() before return from erst_exec_move_data()
in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Wei Yongjun 2013-07-02 09:02:32 +08:00 committed by Tony Luck
parent b36f4be3de
commit 08b326d071
1 changed files with 3 additions and 1 deletions
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4
drivers/acpi/apei/erst.c
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@ -284,8 +284,10 @@ static int erst_exec_move_data(struct apei_exec_context *ctx,
if (!src)
return -ENOMEM;
dst = ioremap(ctx->dst_base + offset, ctx->var2);
if (!dst)
if (!dst) {
iounmap(src);
return -ENOMEM;
}
memmove(dst, src, ctx->var2);