Hi Dan
Thanks for reporting this, will submit a change to fix this.
Abhinav
On 2021-02-28 23:02, Dan Carpenter wrote:
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: fe07bfda2fb9cdef8a4d4008a409bb02f35f1bd8
commit: c943b4948b5848fc0e07f875edbd35a973879e22 drm/msm/dp: add
displayPort driver support
config: arm64-randconfig-m031-20210301 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
smatch warnings:
drivers/gpu/drm/msm/dp/dp_hpd.c:37 dp_hpd_connect() error: we
previously assumed 'hpd_priv->dp_cb' could be null (see line 37)
drivers/gpu/drm/msm/dp/dp_power.c:203 dp_power_clk_enable() warn:
inconsistent indenting
vim +37 drivers/gpu/drm/msm/dp/dp_hpd.c
c943b4948b5848 Chandan Uddaraju 2020-08-27 27 static int
dp_hpd_connect(struct dp_usbpd *dp_usbpd, bool hpd)
c943b4948b5848 Chandan Uddaraju 2020-08-27 28 {
c943b4948b5848 Chandan Uddaraju 2020-08-27 29 int rc = 0;
c943b4948b5848 Chandan Uddaraju 2020-08-27 30 struct dp_hpd_private
*hpd_priv;
c943b4948b5848 Chandan Uddaraju 2020-08-27 31
c943b4948b5848 Chandan Uddaraju 2020-08-27 32 hpd_priv =
container_of(dp_usbpd, struct dp_hpd_private,
c943b4948b5848 Chandan Uddaraju 2020-08-27 33
dp_usbpd);
c943b4948b5848 Chandan Uddaraju 2020-08-27 34
c943b4948b5848 Chandan Uddaraju 2020-08-27 35 dp_usbpd->hpd_high =
hpd;
c943b4948b5848 Chandan Uddaraju 2020-08-27 36
c943b4948b5848 Chandan Uddaraju 2020-08-27 @37 if (!hpd_priv->dp_cb
&& !hpd_priv->dp_cb->configure
^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Probably || was intended instead of &&. If "hpd_priv->dp_cb" is NULL
this will Oops.
c943b4948b5848 Chandan Uddaraju 2020-08-27 38
&&
!hpd_priv->dp_cb->disconnect) {
c943b4948b5848 Chandan Uddaraju 2020-08-27 39 pr_err("hpd
dp_cb
not initialized\n");
c943b4948b5848 Chandan Uddaraju 2020-08-27 40 return -EINVAL;
c943b4948b5848 Chandan Uddaraju 2020-08-27 41 }
c943b4948b5848 Chandan Uddaraju 2020-08-27 42 if (hpd)
c943b4948b5848 Chandan Uddaraju 2020-08-27 43
hpd_priv->dp_cb->configure(hpd_priv->dev);
c943b4948b5848 Chandan Uddaraju 2020-08-27 44 else
c943b4948b5848 Chandan Uddaraju 2020-08-27 45
hpd_priv->dp_cb->disconnect(hpd_priv->dev);
c943b4948b5848 Chandan Uddaraju 2020-08-27 46
c943b4948b5848 Chandan Uddaraju 2020-08-27 47 return rc;
c943b4948b5848 Chandan Uddaraju 2020-08-27 48 }
---
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