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authorIngo Molnar <mingo@elte.hu>2008-06-25 12:36:55 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-25 12:36:55 +0200
commitf6477cc76c73833a56e97f1fafc36a7ca92927e5 (patch)
tree9b4ca3d9fa63ea001d516834c8b2707094f3f711 /arch/ia64/sn/kernel/sn2/sn2_smp.c
parentfd2c17e1777d46cff14c25ea774a4d17459d188a (diff)
parent543cf4cb3fe6f6cae3651ba918b9c56200b257d0 (diff)
Merge branch 'linus' into x86/timerstip-x86-timers-2008-06-25_10.37_Wed
Diffstat (limited to 'arch/ia64/sn/kernel/sn2/sn2_smp.c')
-rw-r--r--arch/ia64/sn/kernel/sn2/sn2_smp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c
index 49d3120415eb..e585f9a2afb9 100644
--- a/arch/ia64/sn/kernel/sn2/sn2_smp.c
+++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c
@@ -512,6 +512,8 @@ static ssize_t sn2_ptc_proc_write(struct file *file, const char __user *user, si
int cpu;
char optstr[64];
+ if (count == 0 || count > sizeof(optstr))
+ return -EINVAL;
if (copy_from_user(optstr, user, count))
return -EFAULT;
optstr[count - 1] = '\0';