drivers/infiniband/core/cm.c:1272:20: sparse: sparse: cast from restricted __be32
From: kernel test robot
Date: Sat Jan 06 2024 - 12:31:04 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 95c8a35f1c017327eab3b6a2ff5c04255737c856
commit: 34bd6d227ffc99d8ce1ced20bbfceacb14651869 arm64: dts: qcom: sc8280xp-pmics: Add support for PMK8280 RESIN input
date: 1 year, 2 months ago
config: i386-randconfig-062-20240106 (https://download.01.org/0day-ci/archive/20240107/202401070142.Q4XXLJwy-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240107/202401070142.Q4XXLJwy-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401070142.Q4XXLJwy-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
>> drivers/infiniband/core/cm.c:1272:20: sparse: sparse: cast from restricted __be32
vim +1272 drivers/infiniband/core/cm.c
067b171b8679f9 Haggai Eran 2015-07-30 1265
87a37ce9e400e4 Håkon Bugge 2018-07-04 1266 static __be64 cm_form_tid(struct cm_id_private *cm_id_priv)
a977049dacdef6 Hal Rosenstock 2005-07-27 1267 {
76039ac9095f5e Mark Zhang 2021-06-02 1268 u64 hi_tid = 0, low_tid;
76039ac9095f5e Mark Zhang 2021-06-02 1269
76039ac9095f5e Mark Zhang 2021-06-02 1270 lockdep_assert_held(&cm_id_priv->lock);
a977049dacdef6 Hal Rosenstock 2005-07-27 1271
87a37ce9e400e4 Håkon Bugge 2018-07-04 @1272 low_tid = (u64)cm_id_priv->id.local_id;
76039ac9095f5e Mark Zhang 2021-06-02 1273 if (!cm_id_priv->av.port)
76039ac9095f5e Mark Zhang 2021-06-02 1274 return cpu_to_be64(low_tid);
76039ac9095f5e Mark Zhang 2021-06-02 1275
76039ac9095f5e Mark Zhang 2021-06-02 1276 spin_lock(&cm_id_priv->av.port->cm_dev->mad_agent_lock);
76039ac9095f5e Mark Zhang 2021-06-02 1277 if (cm_id_priv->av.port->mad_agent)
76039ac9095f5e Mark Zhang 2021-06-02 1278 hi_tid = ((u64)cm_id_priv->av.port->mad_agent->hi_tid) << 32;
76039ac9095f5e Mark Zhang 2021-06-02 1279 spin_unlock(&cm_id_priv->av.port->cm_dev->mad_agent_lock);
a977049dacdef6 Hal Rosenstock 2005-07-27 1280 return cpu_to_be64(hi_tid | low_tid);
a977049dacdef6 Hal Rosenstock 2005-07-27 1281 }
a977049dacdef6 Hal Rosenstock 2005-07-27 1282
:::::: The code at line 1272 was first introduced by commit
:::::: 87a37ce9e400e40daee537ff95343e3c94743c6d IB/cm: Remove unused and erroneous msg sequence encoding
:::::: TO: Håkon Bugge <haakon.bugge@xxxxxxxxxx>
:::::: CC: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
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