diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-03-02 22:08:56 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-02 22:08:56 +0100 |
| commit | c02368a9d059322f913a58111eade87a656fefd5 (patch) | |
| tree | 2f02dbbe69b86535f58d2010d9adfb20a9c16fb9 /drivers/oprofile/cpu_buffer.c | |
| parent | f17c75453b2d195eba0a90d9f16a3ba88c85b3b4 (diff) | |
| parent | 778ef1e6cbb049c9bcbf405936ee6f2b6e451892 (diff) | |
| download | kernel-crypto-c02368a9d059322f913a58111eade87a656fefd5.tar.gz kernel-crypto-c02368a9d059322f913a58111eade87a656fefd5.tar.xz kernel-crypto-c02368a9d059322f913a58111eade87a656fefd5.zip | |
Merge branch 'linus' into irq/genirq
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); } |