Commit 9ca55299 authored Apr 02, 2019 by Daniel Walter Committed by Richard Weinberger May 07, 2019

um: Do not unlock mutex that is not hold.



Return error instead of trying to unlock a mutex that is not hold.

Signed-off-by: Daniel Walter <dwalter@google.com>
Reviewed-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Acked-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

parent 91e1e547

arch/um/drivers/ubd_kern.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -276,14 +276,14 @@ static int ubd_setup_common(char str, int index_out, char **error_out)
		str++;
		if(!strcmp(str, "sync")){
		global_openflags = of_sync(global_openflags);
		goto out1;
		return err;
		}

		err = -EINVAL;
		major = simple_strtoul(str, &end, 0);
		if((*end != '\0') \|\| (end == str)){
		*error_out = "Didn't parse major number";
		goto out1;
		return err;
		}

		mutex_lock(&ubd_lock);