diff options
| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2022-03-10 16:02:57 +0800 |
|---|---|---|
| committer | Abel Vesa <abel.vesa@nxp.com> | 2022-04-12 14:00:20 +0300 |
| commit | ed713e2bc093239ccd380c2ce8ae9e4162f5c037 (patch) | |
| tree | 1372ac82630ff712e13082db86bc975d72976c54 /drivers | |
| parent | ce0fc2f00fa26310cd29e462f816a5e660754d68 (diff) | |
clk: imx: Add check for kcalloc
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>
Link: https://lore.kernel.org/r/20220310080257.1988412-1-jiasheng@iscas.ac.cn
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/imx/clk.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/clk/imx/clk.c b/drivers/clk/imx/clk.c index 4bd6ad060eea..5582f18dd632 100644 --- a/drivers/clk/imx/clk.c +++ b/drivers/clk/imx/clk.c @@ -176,6 +176,8 @@ 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; |