korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-28 06:34:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

clk: zynqmp: Add a check for NULL pointer

Browse Source 
Add a NULL pointer check as clk_hw_get_parent can return NULL.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220518055314.2486-1-shubhrajyoti.datta@xilinx.com
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Shubhrajyoti Datta 2022-05-18 11:23:14 +05:30 committed by Stephen Boyd
parent acc1c732f3
commit 6ab9810cfe
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/clk/zynqmp/divider.c
View File

@ -120,10 +120,13 @@ static void zynqmp_get_divider2_val(struct clk_hw *hw,
long error = LONG_MAX;
unsigned long div1_prate;
struct clk_hw *div1_parent_hw;
struct zynqmp_clk_divider *pdivider;
struct clk_hw *div2_parent_hw = clk_hw_get_parent(hw);
struct zynqmp_clk_divider *pdivider =
to_zynqmp_clk_divider(div2_parent_hw);
if (!div2_parent_hw)
return;
pdivider = to_zynqmp_clk_divider(div2_parent_hw);
if (!pdivider)
return;