diff options
| author |   Namhyung Kim <namhyung@kernel.org> | 2014-06-10 16:11:35 +0900 |
|---|---|---|
| committer |   Steven Rostedt <rostedt@goodmis.org> | 2014-06-10 09:51:10 -0400 |
| commit | a6af8fbf17989e41fef5cacf3988a724fb687d78 (patch) | |
| tree | 0bd323ac9d8e3c80477a6245fbda708184768fbb /kernel/trace | |
| parent | ring-buffer: Check if buffer exists before polling (diff) | |
| download | linux-dev-a6af8fbf17989e41fef5cacf3988a724fb687d78.tar.xz linux-dev-a6af8fbf17989e41fef5cacf3988a724fb687d78.zip | |
tracing: Cleanup saved_cmdlines_size changes
The recent addition of saved_cmdlines_size file had some remaining
(minor - mostly coding style) issues. Fix them by passing pointer
name to sizeof() and using scnprintf().
Link: http://lkml.kernel.org/p/1402384295-23680-1-git-send-email-namhyung@kernel.org
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@hitachi.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 56422f1decba..2b458c60e0da 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1338,7 +1338,7 @@ static int trace_create_savedcmd(void) { int ret; - savedcmd = kmalloc(sizeof(struct saved_cmdlines_buffer), GFP_KERNEL); + savedcmd = kmalloc(sizeof(*savedcmd), GFP_KERNEL); if (!savedcmd) return -ENOMEM; @@ -3840,7 +3840,7 @@ tracing_saved_cmdlines_size_read(struct file *filp, char __user *ubuf, int r; arch_spin_lock(&trace_cmdline_lock); - r = sprintf(buf, "%u\n", savedcmd->cmdline_num); + r = scnprintf(buf, sizeof(buf), "%u\n", savedcmd->cmdline_num); arch_spin_unlock(&trace_cmdline_lock); return simple_read_from_buffer(ubuf, cnt, ppos, buf, r); @@ -3857,7 +3857,7 @@ static int tracing_resize_saved_cmdlines(unsigned int val) { struct saved_cmdlines_buffer *s, *savedcmd_temp; - s = kmalloc(sizeof(struct saved_cmdlines_buffer), GFP_KERNEL); + s = kmalloc(sizeof(*s), GFP_KERNEL); if (!s) return -ENOMEM; |