uml: drivers/slip_user.c memory leak fix

Do not free memory when you failed to allocate it.

Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c
index a1c2d2c..cbacfc4 100644 (file)
--- a/arch/um/drivers/slip_user.c
+++ b/arch/um/drivers/slip_user.c
@@ -102,7 +102,7 @@ static int slip_tramp(char **argv, int fd)
                       "buffer\n");
                os_kill_process(pid, 1);
                err = -ENOMEM;
-               goto out_free;
+               goto out_close;
        }
 
        close(fds[1]);
@@ -112,7 +112,6 @@ static int slip_tramp(char **argv, int fd)
        err = helper_wait(pid);
        close(fds[0]);
 
-out_free:
        kfree(output);
        return err;