Messages in this thread Patch in this message | | | Date | Fri, 17 May 2013 22:16:29 -0400 | From | Steven Rostedt <> | Subject | [ 032/136 ] tracing: Fix off-by-one on allocating stat->pages |
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3.6.11.4 stable review patch. If anyone has any objections, please let me know.
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From: Namhyung Kim <namhyung.kim@lge.com>
[ Upstream commit 39e30cd1537937d3c00ef87e865324e981434e5b ]
The first page was allocated separately, so no need to start from 0.
Link: http://lkml.kernel.org/r/1364820385-32027-2-git-send-email-namhyung@kernel.org
Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: stable@vger.kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- kernel/trace/ftrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index d5525eb..f8cef7f 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -624,7 +624,7 @@ int ftrace_profile_pages_init(struct ftrace_profile_stat *stat) pages = DIV_ROUND_UP(functions, PROFILES_PER_PAGE); - for (i = 0; i < pages; i++) { + for (i = 1; i < pages; i++) { pg->next = (void *)get_zeroed_page(GFP_KERNEL); if (!pg->next) goto out_free; -- 1.7.10.4
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