lkml.org 
[lkml]   [2021]   [Mar]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] message/fusion: Use BUG_ON instead of if condition followed by BUG.
Date
BUG_ON() uses unlikely in if(), which can be optimized at compile time.

Signed-off-by: zhouchuangao <zhouchuangao@vivo.com>
---
drivers/message/fusion/mptsas.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 5eb0b33..5e425fd 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -3442,14 +3442,12 @@ mptsas_expander_event_add(MPT_ADAPTER *ioc,
__le64 sas_address;

port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
- if (!port_info)
- BUG();
+ BUG_ON(!port_info);
port_info->num_phys = (expander_data->NumPhys) ?
expander_data->NumPhys : 1;
port_info->phy_info = kcalloc(port_info->num_phys,
sizeof(struct mptsas_phyinfo), GFP_KERNEL);
- if (!port_info->phy_info)
- BUG();
+ BUG_ON(!port_info->phy_info);
memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
for (i = 0; i < port_info->num_phys; i++) {
port_info->phy_info[i].portinfo = port_info;
--
2.7.4
\
 
 \ /
  Last update: 2021-03-30 14:48    [W:0.030 / U:0.640 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site