trace: use kbasename()

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 9614db8b0f8c..c86e6d4f67fb 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -22,6 +22,7 @@
 #include <linux/uaccess.h>
 #include <linux/uprobes.h>
 #include <linux/namei.h>
+#include <linux/string.h>
 
 #include "trace_probe.h"
 
@@ -263,16 +264,15 @@ static int create_trace_uprobe(int argc, char **argv)
 
         /* setup a probe */
         if (!event) {
-                char *tail = strrchr(filename, '/');
+                char *tail;
                 char *ptr;
 
-                ptr = kstrdup((tail ? tail + 1 : filename), GFP_KERNEL);
-                if (!ptr) {
+                tail = kstrdup(kbasename(filename), GFP_KERNEL);
+                if (!tail) {
                         ret = -ENOMEM;
                         goto fail_address_parse;
                 }
 
-                tail = ptr;
                 ptr = strpbrk(tail, ".-_");
                 if (ptr)
                         *ptr = '\0';