From: Jiasheng Jiang <jiash...@iscas.ac.cn>
As the potential failure of the kcalloc(),
it should be better to check it in order to
avoid the dereference of the NULL pointer.
Fixes: 379c9a24cc23 ("clk: imx: Fix reparenting of UARTs not associated with
stdout")
Signed-off-by: Jiasheng Jiang <jiash...@iscas.ac.cn>
Reviewed-by: Abel Vesa <abel.v...@nxp.com>
Link: https://lore.kernel.org/r/20220310080257.1988412-1-jiash...@iscas.ac.cn
Signed-off-by: Abel Vesa <abel.v...@nxp.com>
CVE-2022-3114
Signed-off-by: Libo Chen <libo.chen...@windriver.com>
---
drivers/clk/imx/clk.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/clk/imx/clk.c b/drivers/clk/imx/clk.c
index d4cf0c7045ab..be0493e5b494 100644
--- a/drivers/clk/imx/clk.c
+++ b/drivers/clk/imx/clk.c
@@ -173,6 +173,8 @@ void imx_register_uart_clocks(unsigned int clk_count)
int i;
imx_uart_clocks = kcalloc(clk_count, sizeof(struct clk *),
GFP_KERNEL);
+ if (!imx_uart_clocks)
+ return;
if (!of_stdout)
return;
--
2.25.1
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