From: Dan Carpenter dan.carpenter@linaro.org
[ Upstream commit 9c632a6396505a019ea6d12b5ab45e659a542a93 ]
Smatch detected this potential error pointer dereference clk_wzrd_register_divider(). If devm_clk_hw_register() fails then it sets "hw" to an error pointer and then dereferences it on the next line. Return the error directly instead.
Fixes: 5a853722eb32 ("staging: clocking-wizard: Add support for dynamic reconfiguration") Signed-off-by: Dan Carpenter dan.carpenter@linaro.org Link: https://lore.kernel.org/r/f0e39b5c-4554-41e0-80d9-54ca3fabd060@kili.mountain Reviewed-by: Michal Simek michal.simek@amd.com Signed-off-by: Stephen Boyd sboyd@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c b/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c index 39367712ef540..8c1934df70dea 100644 --- a/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c +++ b/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c @@ -347,7 +347,7 @@ static struct clk *clk_wzrd_register_divider(struct device *dev, hw = &div->hw; ret = devm_clk_hw_register(dev, hw); if (ret) - hw = ERR_PTR(ret); + return ERR_PTR(ret);
return hw->clk; }