* [PATCH] misc: bcm-vk: fix set_q_num API precedence issue
@ 2021-01-29 6:04 Scott Branden
0 siblings, 0 replies; only message in thread
From: Scott Branden @ 2021-01-29 6:04 UTC (permalink / raw)
To: Arnd Bergmann, Greg Kroah-Hartman, Scott Branden
Cc: Kees Cook, linux-kernel, bcm-kernel-feedback-list,
Olof Johansson, Desmond Yan
From: Desmond Yan <desmond.yan@broadcom.com>
Change set_q_num API to use if-else to make it more explicit,
and avoid a precedence rule issue.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Desmond Yan <desmond.yan@broadcom.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
---
drivers/misc/bcm-vk/bcm_vk_msg.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/bcm-vk/bcm_vk_msg.c b/drivers/misc/bcm-vk/bcm_vk_msg.c
index eec90494777d..a363e2e4f7bc 100644
--- a/drivers/misc/bcm-vk/bcm_vk_msg.c
+++ b/drivers/misc/bcm-vk/bcm_vk_msg.c
@@ -52,8 +52,14 @@ static u32 get_q_num(const struct vk_msg_blk *msg)
static void set_q_num(struct vk_msg_blk *msg, u32 q_num)
{
- msg->trans_id = (msg->trans_id & ~BCM_VK_MSG_Q_MASK) |
- (q_num >= VK_MSGQ_PER_CHAN_MAX) ? VK_MSGQ_NUM_DEFAULT : q_num;
+ u32 trans_q;
+
+ if (q_num >= VK_MSGQ_PER_CHAN_MAX)
+ trans_q = VK_MSGQ_NUM_DEFAULT;
+ else
+ trans_q = q_num;
+
+ msg->trans_id = (msg->trans_id & ~BCM_VK_MSG_Q_MASK) | trans_q;
}
static u32 get_msg_id(const struct vk_msg_blk *msg)
--
2.17.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2021-01-29 6:05 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-01-29 6:04 [PATCH] misc: bcm-vk: fix set_q_num API precedence issue Scott Branden
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).