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[PATCH] profile.c: `schedule' parsing fix

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profile=schedule parsing is not quite what it should be.  First, str[7] is
'e', not ',', but then even if it did fall through, prof_on =
SCHED_PROFILING would be clobbered inside if (get_option(...)) So a small
amount of rearrangement is done in this patch to correct it.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
William Lee Irwin III 2005-05-16 21:53:58 -07:00 committed by Linus Torvalds
parent 5418b6925c
commit dfaa9c94b1
1 changed files with 10 additions and 6 deletions
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16
kernel/profile.c
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@ -49,15 +49,19 @@ static DECLARE_MUTEX(profile_flip_mutex);
static int __init profile_setup(char * str)
{
static char __initdata schedstr[] = "schedule";
int par;
if (!strncmp(str, "schedule", 8)) {
if (!strncmp(str, schedstr, strlen(schedstr))) {
prof_on = SCHED_PROFILING;
printk(KERN_INFO "kernel schedule profiling enabled\n");
if (str[7] == ',')
str += 8;
}
if (get_option(&str,&par)) {
if (str[strlen(schedstr)] == ',')
str += strlen(schedstr) + 1;
if (get_option(&str, &par))
prof_shift = par;
printk(KERN_INFO
"kernel schedule profiling enabled (shift: %ld)\n",
prof_shift);
} else if (get_option(&str, &par)) {
prof_shift = par;
prof_on = CPU_PROFILING;
printk(KERN_INFO "kernel profiling enabled (shift: %ld)\n",