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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-03-08 16:30:55 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-03-08 16:30:55 -0700 |
| commit | d15c22e78674f9a5bc0de0932a43abe1aafae303 (patch) | |
| tree | 3e4198c44bd2d9184e91647346c66aa95e28f843 /drivers/oprofile/cpu_buffer.c | |
| parent | 0f4954819fb6f840d46076f0dbd313ef5da48f5d (diff) | |
| parent | fec6c6fec3e20637bee5d276fb61dd8b49a3f9cc (diff) | |
| download | linux-d15c22e78674f9a5bc0de0932a43abe1aafae303.tar.gz linux-d15c22e78674f9a5bc0de0932a43abe1aafae303.tar.bz2 linux-d15c22e78674f9a5bc0de0932a43abe1aafae303.zip | |
Merge commit 'v2.6.29-rc7' into next
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 2e03b6d796d3..e76d715e4342 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); } |