Messages in this thread Patch in this message | | | From | "Naveen N. Rao" <> | Subject | [PATCH 1/4] ftrace: Simplify glob handling in unregister_ftrace_function_probe_func() | Date | Sun, 14 May 2017 01:01:01 +0530 |
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Handle a NULL glob properly.
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> --- 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 39dca4e86a94..28dc824ad072 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -4144,9 +4144,9 @@ unregister_ftrace_function_probe_func(char *glob, struct trace_array *tr, int i, ret = -ENODEV; int size; - if (glob && (strcmp(glob, "*") == 0 || !strlen(glob))) + if (!glob || (glob && (strcmp(glob, "*") == 0 || !strlen(glob)))) func_g.search = NULL; - else if (glob) { + else { int not; func_g.type = filter_parse_regex(glob, strlen(glob), -- 2.12.2
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