Messages in this thread | | | Date | Fri, 8 Apr 2022 14:49:33 +0300 | From | Abel Vesa <> | Subject | Re: [PATCH] clk: imx: Add check for kcalloc |
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On 22-03-10 16:02:57, Jiasheng Jiang wrote: > 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 <jiasheng@iscas.ac.cn>
Reviewed-by: Abel Vesa <abel.vesa@nxp.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 7cc669934253..99249ab361d2 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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