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author | Ingo Molnar <mingo@kernel.org> | 2012-05-14 14:43:40 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2012-05-14 14:43:40 +0200 |
commit | 9cba26e66d09bf394ae5a739627a1dc8b7cae6f4 (patch) | |
tree | f03743d576a0c7826b9921ad47e70370ebe80a22 /kernel/itimer.c | |
parent | ec83db0f78cd44c3b586ec1c3a348d1a8a389797 (diff) | |
parent | 73eff9f56e15598c8399c0b86899fd889b97f085 (diff) |
Merge branch 'perf/uprobes' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/uprobes
Diffstat (limited to 'kernel/itimer.c')
-rw-r--r-- | kernel/itimer.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/itimer.c b/kernel/itimer.c index 22000c3db0d..8d262b46757 100644 --- a/kernel/itimer.c +++ b/kernel/itimer.c @@ -284,8 +284,12 @@ SYSCALL_DEFINE3(setitimer, int, which, struct itimerval __user *, value, if (value) { if(copy_from_user(&set_buffer, value, sizeof(set_buffer))) return -EFAULT; - } else - memset((char *) &set_buffer, 0, sizeof(set_buffer)); + } else { + memset(&set_buffer, 0, sizeof(set_buffer)); + printk_once(KERN_WARNING "%s calls setitimer() with new_value NULL pointer." + " Misfeature support will be removed\n", + current->comm); + } error = do_setitimer(which, &set_buffer, ovalue ? &get_buffer : NULL); if (error || !ovalue) |