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4 Commits

Author SHA1 Message Date
Shang XiaoJing
17eee264ef phy: usb: sunplus: Fix potential null-ptr-deref in sp_usb_phy_probe() 
sp_usb_phy_probe() will call platform_get_resource_byname() that may fail
and return NULL. devm_ioremap() will use usbphy->moon4_res_mem->start as
input, which may causes null-ptr-deref. Check the ret value of
platform_get_resource_byname() to avoid the null-ptr-deref.

Fixes: 99d9ccd973 ("phy: usb: Add USB2.0 phy driver for Sunplus SP7021")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Link: https://lore.kernel.org/r/20221125021222.25687-1-shangxiaojing@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2023-01-12 23:43:35 +05:30
Peng Wu
6e59419fd0 phy: sunplus: Fix an IS_ERR() vs NULL bug in sp_usb_phy_probe 
The devm_ioremap() function returns NULL on error, it doesn't return
error pointers.

Fixes: 99d9ccd973 ("phy: usb: Add USB2.0 phy driver for Sunplus SP7021")
Signed-off-by: Peng Wu <wupeng58@huawei.com>
Link: https://lore.kernel.org/r/20220911060053.123594-1-wupeng58@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2022-11-05 00:29:57 +05:30
Wei Yongjun
677c577e17 phy: usb: sunplus: Fix return value check in update_disc_vol() 
In case of error, the function nvmem_cell_read() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Fixes: 99d9ccd973 ("phy: usb: Add USB2.0 phy driver for Sunplus SP7021")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220909094709.1790970-1-weiyongjun@huaweicloud.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2022-09-13 20:58:33 +05:30
Vincent Shih
99d9ccd973 phy: usb: Add USB2.0 phy driver for Sunplus SP7021 
Add USB2.0 phy driver for Sunplus SP7021

Signed-off-by: Vincent Shih <vincent.sunplus@gmail.com>
Link: https://lore.kernel.org/r/1658717052-26142-2-git-send-email-vincent.sunplus@gmail.com
[vkoul: remove trailing line in driver file]
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2022-09-02 21:01:24 +05:30