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| author | Takashi Iwai <tiwai@suse.de> | 2009-03-09 15:21:57 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-03-09 15:21:57 +0100 |
| commit | efdcd41b4e41560375bb34ad8b095bcaa1c3a93f (patch) | |
| tree | 57200ef68bae530776c0c2621c51e9464e1e72f9 /drivers/oprofile/cpu_buffer.c | |
| parent | 33dbe6114047496a5b6fee0941c52dad41250043 (diff) | |
| parent | 79c7cdd5441f5d3900c1632adcc8cd2bee35c8da (diff) | |
| download | kernel-crypto-efdcd41b4e41560375bb34ad8b095bcaa1c3a93f.tar.gz kernel-crypto-efdcd41b4e41560375bb34ad8b095bcaa1c3a93f.tar.xz kernel-crypto-efdcd41b4e41560375bb34ad8b095bcaa1c3a93f.zip | |
Merge branch 'topic/vmaster-update' into topic/docbook-fix
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); } |