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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2010-05-27 22:16:22 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-30 09:06:00 -0700 |
| commit | e9a5f426b85e429bffaee4e0b086b1e742a39fa6 (patch) | |
| tree | 65ba763309c5d771c1f179af5b36fce996742b1c /kernel | |
| parent | 97ef6f7449da6ceddf9a90fa8851f607b67283dd (diff) | |
| download | linux-e9a5f426b85e429bffaee4e0b086b1e742a39fa6.tar.gz linux-e9a5f426b85e429bffaee4e0b086b1e742a39fa6.tar.bz2 linux-e9a5f426b85e429bffaee4e0b086b1e742a39fa6.zip | |
CPU: Avoid using unititialized error variable in disable_nonboot_cpus()
If there's only one CPU online when disable_nonboot_cpus() is called,
the error variable will not be initialized and that may lead to
erroneous behavior. Fix this issue by initializing error in
disable_nonboot_cpus() as appropriate.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cpu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index 3097382eb44a..8b92539b4754 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -394,7 +394,7 @@ static cpumask_var_t frozen_cpus; int disable_nonboot_cpus(void) { - int cpu, first_cpu, error; + int cpu, first_cpu, error = 0; cpu_maps_update_begin(); first_cpu = cpumask_first(cpu_online_mask); |