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| author |   Ingo Molnar <mingo@elte.hu> | 2009-02-11 09:22:04 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-11 09:22:04 +0100 |
| commit | 95fd4845ed0ffcab305b4f30ce1c12dc34f1b56c (patch) | |
| tree | aa2aac22a5b329b778a6771a87bbf1945ad49bbd /drivers/oprofile/cpu_buffer.c | |
| parent | perf_counters: account NMI interrupts (diff) | |
| parent | Linux 2.6.29-rc4 (diff) | |
| download | linux-dev-95fd4845ed0ffcab305b4f30ce1c12dc34f1b56c.tar.xz linux-dev-95fd4845ed0ffcab305b4f30ce1c12dc34f1b56c.zip | |
Merge commit 'v2.6.29-rc4' into perfcounters/core
Conflicts:
arch/x86/kernel/setup_percpu.c
arch/x86/mm/fault.c
drivers/acpi/processor_idle.c
kernel/irq/handle.c
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); } |