Function of_clk_get() returns an ERR_PTR on failures. In file
mtk_mdp_commp.c, its return value is checked against NULL. Such checks
cannot prevent from accessing bad memory. This patch replaces the NULL
checks with IS_ERR checks.
Signed-off-by: Pan Bian
---
drivers/media/platform/mtk-mdp
From: Pan Bian
In functions cx25840_initialize(), cx231xx_initialize(), and
cx23885_initialize(), the return value of create_singlethread_workqueue()
is used without validation. This may result in NULL dereference and cause
kernel crash. This patch fixes it.
Signed-off-by: Pan Bian
From: Pan Bian
Function pci_find_ext_capability() may return 0, which is an invalid
address. In function cobalt_pcie_status_show(), its return value is used
without validation. This patch adds checks to validate the return
address.
Signed-off-by: Pan Bian
---
drivers/media/pci/cobalt/cobalt
From: Pan Bian
Function kthread_create() returns an ERR_PTR on error. However, in
function s5k83a_start(), its return value is used without validation.
This may result in a bad memory access bug. This patch fixes the bug.
Signed-off-by: Pan Bian
---
drivers/media/usb/gspca/m5602
From: Pan Bian
The value of return variable ret is 0 on some error paths, for example,
when pci_resource_start() returns a NULL pointer. 0 means no error in
this context, which is contrary to the fact. This patch fixes the bug.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=189011
From: Pan Bian
The value of return variable ret is 0 on some error paths, for example,
when pci_resource_start() returns a NULL pointer. 0 means no error in
this context, which is contrary to the fact. This patch fixes the bug.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=189011
From: Pan Bian
Function bdisp_debugfs_create() returns 0 even on errors. So its caller
cannot detect the errors. It may be better to return "-ENOMEM" on the
exception paths.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188801
Signed-off-by: Pan Bian
---
drivers/media/pl
