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x86/kaslr: Remove bogus warning and unnecessary goto

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Drop the warning on seeing "--" in handle_mem_options(). This will trigger
whenever one of the memory options is present in the command line
together with "--", but there's no problem if that is the case.

Replace goto with break.

Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20200727230801.3468620-3-nivedita@alum.mit.edu
This commit is contained in:
Arvind Sankar 2020-07-27 19:07:55 -04:00 committed by Ingo Molnar
parent 709709ac64
commit e2ee617316
1 changed files with 3 additions and 6 deletions
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9
arch/x86/boot/compressed/kaslr.c
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@ -295,10 +295,8 @@ static void handle_mem_options(void)
while (*args) {
args = next_arg(args, &param, &val);
/* Stop at -- */
if (!val && strcmp(param, "--") == 0) {
warn("Only '--' specified in cmdline");
goto out;
}
if (!val && strcmp(param, "--") == 0)
break;
if (!strcmp(param, "memmap")) {
mem_avoid_memmap(PARSE_MEMMAP, val);
@ -311,7 +309,7 @@ static void handle_mem_options(void)
continue;
mem_size = memparse(p, &p);
if (mem_size == 0)
goto out;
break;
mem_limit = mem_size;
} else if (!strcmp(param, "efi_fake_mem")) {
@ -319,7 +317,6 @@ static void handle_mem_options(void)
}
}
out:
free(tmp_cmdline);
return;
}