[PATCH] dm ioctl: Remove double parentheses

From: Matthias Kaehlcke
Date: Thu Mar 16 2017 - 12:49:39 EST


The extra pair of parantheses is not needed and causes clang to generate
the following warning:

drivers/md/dm-ioctl.c:1776:11: error: equality comparison with extraneous parentheses [-Werror,-Wparentheses-equality]
if ((cmd == DM_DEV_CREATE_CMD)) {
~~~~^~~~~~~~~~~~~~~~~~~~
drivers/md/dm-ioctl.c:1776:11: note: remove extraneous parentheses around the comparison to silence this warning
if ((cmd == DM_DEV_CREATE_CMD)) {
~ ^ ~
drivers/md/dm-ioctl.c:1776:11: note: use '=' to turn this equality comparison into an assignment
if ((cmd == DM_DEV_CREATE_CMD)) {
^~
=

Also remove another double parentheses that don't cause a warning.

Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
---
drivers/md/dm-ioctl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index a5a9b17f0f7f..9360036bf6d3 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1777,12 +1777,12 @@ static int validate_params(uint cmd, struct dm_ioctl *param)
cmd == DM_LIST_VERSIONS_CMD)
return 0;

- if ((cmd == DM_DEV_CREATE_CMD)) {
+ if (cmd == DM_DEV_CREATE_CMD) {
if (!*param->name) {
DMWARN("name not supplied when creating device");
return -EINVAL;
}
- } else if ((*param->uuid && *param->name)) {
+ } else if (*param->uuid && *param->name) {
DMWARN("only supply one of name or uuid, cmd(%u)", cmd);
return -EINVAL;
}
--
2.12.0.367.g23dc2f6d3c-goog