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authorJiri Olsa <jolsa@redhat.com>2009-10-23 19:36:16 -0400
committerIngo Molnar <mingo@elte.hu>2009-10-24 11:07:49 +0200
commitcf8517cf905b5cd31d5790250b9ac39f7cb8aa53 (patch)
tree22796f676ce955ec204ece1485dac6e93d1aeb3e /kernel/trace/ftrace.c
parent964fe080d94db82a3268443e9b9ece4c60246414 (diff)
tracing: Update *ppos instead of filp->f_pos
Instead of directly updating filp->f_pos we should update the *ppos argument. The filp->f_pos gets updated within the file_pos_write() function called from sys_write(). Signed-off-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <20091023233646.399670810@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/ftrace.c')
-rw-r--r--kernel/trace/ftrace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 37ba67e3326..9c451a1930b 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -740,7 +740,7 @@ ftrace_profile_write(struct file *filp, const char __user *ubuf,
out:
mutex_unlock(&ftrace_profile_lock);
- filp->f_pos += cnt;
+ *ppos += cnt;
return cnt;
}