Messages in this thread Patch in this message | | | Date | Mon, 8 Apr 2013 08:31:49 -0700 | From | tip-bot for Chen Gang <> | Subject | [tip:perf/urgent] ftrace: Fix strncpy() use, use strlcpy() instead of strncpy() |
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Commit-ID: 75761cc15877c155b3849b4e0e0cb3f897faf471 Gitweb: http://git.kernel.org/tip/75761cc15877c155b3849b4e0e0cb3f897faf471 Author: Chen Gang <gang.chen@asianux.com> AuthorDate: Mon, 8 Apr 2013 12:12:39 +0800 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Mon, 8 Apr 2013 13:26:56 +0200
ftrace: Fix strncpy() use, use strlcpy() instead of strncpy()
For NUL terminated string we always need to set '\0' at the end.
Signed-off-by: Chen Gang <gang.chen@asianux.com> Cc: rostedt@goodmis.org Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/516243B7.9020405@asianux.com Signed-off-by: Ingo Molnar <mingo@kernel.org> --- kernel/trace/ftrace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 6893d5a..db14374 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3441,14 +3441,14 @@ static char ftrace_filter_buf[FTRACE_FILTER_SIZE] __initdata; static int __init set_ftrace_notrace(char *str) { - strncpy(ftrace_notrace_buf, str, FTRACE_FILTER_SIZE); + strlcpy(ftrace_notrace_buf, str, FTRACE_FILTER_SIZE); return 1; } __setup("ftrace_notrace=", set_ftrace_notrace); static int __init set_ftrace_filter(char *str) { - strncpy(ftrace_filter_buf, str, FTRACE_FILTER_SIZE); + strlcpy(ftrace_filter_buf, str, FTRACE_FILTER_SIZE); return 1; } __setup("ftrace_filter=", set_ftrace_filter);
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