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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-22 17:59:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-22 17:59:49 +0100 |
| commit | 2702e0a46c2d28da92b32c9b068ee1291fc0de35 (patch) | |
| tree | c1e9868a4b91beeebd5f4e820588bc2ae8371911 /drivers/oprofile/cpu_buffer.c | |
| parent | 42bb8cc5e81028e217105299001070d57eb84ad7 (diff) | |
| parent | adfafefd104d840ee4461965f22624d77532675b (diff) | |
| download | kernel-crypto-2702e0a46c2d28da92b32c9b068ee1291fc0de35.tar.gz kernel-crypto-2702e0a46c2d28da92b32c9b068ee1291fc0de35.tar.xz kernel-crypto-2702e0a46c2d28da92b32c9b068ee1291fc0de35.zip | |
Merge branch 'linus' into timers/hpet
Diffstat (limited to 'drivers/oprofile/cpu_buffer.c')
| -rw-r--r-- | drivers/oprofile/cpu_buffer.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index 2e03b6d796d..e76d715e434 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -393,16 +393,21 @@ oprofile_write_reserve(struct op_entry *entry, struct pt_regs * const regs, return; fail: + entry->event = NULL; cpu_buf->sample_lost_overflow++; } int oprofile_add_data(struct op_entry *entry, unsigned long val) { + if (!entry->event) + return 0; return op_cpu_buffer_add_data(entry, val); } int oprofile_write_commit(struct op_entry *entry) { + if (!entry->event) + return -EINVAL; return op_cpu_buffer_write_commit(entry); } |