lkml.org 
[lkml]   [2023]   [Nov]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] ARM: imx: Check return value of devm_kasprintf in imx_mmdc_perf_init
Date
devm_kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.

Fixes: ebeb49f43c89 ("ARM: imx: Call ida_simple_remove() for ida_simple_get")
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
---
arch/arm/mach-imx/mmdc.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c
index 2157493b78a9..7c471d6a851d 100644
--- a/arch/arm/mach-imx/mmdc.c
+++ b/arch/arm/mach-imx/mmdc.c
@@ -501,6 +501,10 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b

name = devm_kasprintf(&pdev->dev,
GFP_KERNEL, "mmdc%d", ret);
+ if (!name) {
+ ret = -ENOMEM;
+ goto pmu_free;
+ }

pmu_mmdc->mmdc_ipg_clk = mmdc_ipg_clk;
pmu_mmdc->devtype_data = (struct fsl_mmdc_devtype_data *)of_id->data;
--
2.34.1
\
 
 \ /
  Last update: 2023-11-21 10:27    [W:0.028 / U:0.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site