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authorTakashi Iwai <tiwai@suse.de>2009-02-09 17:20:13 +0100
committerTakashi Iwai <tiwai@suse.de>2009-02-09 17:20:13 +0100
commitd9f8e9c34150ebec2be07bb95b6a23d99ba1f6de (patch)
tree1e8c402df9b1154f4ca37eb5242f960ef7aab747 /drivers/oprofile/cpu_buffer.c
parent2ebfb8eeb8f244f9d25937d31a947895cf819e26 (diff)
parent8bd4bb7a35e8ebb015a531218614c48e10a3c4ee (diff)
downloadkernel-crypto-d9f8e9c34150ebec2be07bb95b6a23d99ba1f6de.tar.gz
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Merge branch 'topic/quirk-cleanup' into topic/misc
Diffstat (limited to 'drivers/oprofile/cpu_buffer.c')
-rw-r--r--drivers/oprofile/cpu_buffer.c5
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);
}