diff options
| author | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-05-28 12:11:57 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-06-11 18:24:23 +0200 |
| commit | d9ab83953fa700cc7be319cea1ec747601a124a1 (patch) | |
| tree | 2c16e3d7bd6259a757a33e9b8b5b34efdfba9d32 /drivers/staging | |
| parent | a86b4936ba6827e7c1b658d522412e5a78c03242 (diff) | |
media: atomisp: don't cause a warn if probe failed
When probe fails, it is possible that hmm_init() to not be
called. On such case, hmm_cleanup() will cause a WARN_ON().
Avoid it by adding an explicit check at hmm_cleanup() to
ensure that the hmm code was properly initialized.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/hmm/hmm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm.c b/drivers/staging/media/atomisp/pci/hmm/hmm.c index f9c2c7896520..c2abd14353e6 100644 --- a/drivers/staging/media/atomisp/pci/hmm/hmm.c +++ b/drivers/staging/media/atomisp/pci/hmm/hmm.c @@ -208,6 +208,8 @@ int hmm_init(void) void hmm_cleanup(void) { + if (!dummy_ptr) + return; sysfs_remove_group(&atomisp_dev->kobj, atomisp_attribute_group); /* free dummy memory first */ |