| Message ID | 20231210171907.3410922-1-visitorckw@gmail.com (mailing list archive) |
|---|---|
| State | Awaiting Upstream, archived |
| Headers | show |
| Series | clk: imx: scu: Fix memory leak in __imx_clk_gpr_scu() | expand |
> Subject: [PATCH] clk: imx: scu: Fix memory leak in __imx_clk_gpr_scu() > > In cases where imx_clk_is_resource_owned() returns false, the code path does > not handle the failure gracefully, potentially leading to a memory leak. This > fix ensures proper cleanup by freeing the allocated memory for 'clk_node' > before returning. > > Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com> Reviewed-by: Peng Fan <peng.fan@nxp.com>
On Mon, 11 Dec 2023 01:19:07 +0800, Kuan-Wei Chiu wrote: > In cases where imx_clk_is_resource_owned() returns false, the code path > does not handle the failure gracefully, potentially leading to a memory > leak. This fix ensures proper cleanup by freeing the allocated memory > for 'clk_node' before returning. > > Applied, thanks! [1/1] clk: imx: scu: Fix memory leak in __imx_clk_gpr_scu() commit: 986439a9b3a32a6ac20042ec17acd443f1e7e86a Best regards,
diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c index be89180dd19c..e48a904c0013 100644 --- a/drivers/clk/imx/clk-scu.c +++ b/drivers/clk/imx/clk-scu.c @@ -886,8 +886,10 @@ struct clk_hw *__imx_clk_gpr_scu(const char *name, const char * const *parent_na return ERR_PTR(-EINVAL); } - if (!imx_clk_is_resource_owned(rsrc_id)) + if (!imx_clk_is_resource_owned(rsrc_id)) { + kfree(clk_node); return NULL; + } clk = kzalloc(sizeof(*clk), GFP_KERNEL); if (!clk) {
In cases where imx_clk_is_resource_owned() returns false, the code path does not handle the failure gracefully, potentially leading to a memory leak. This fix ensures proper cleanup by freeing the allocated memory for 'clk_node' before returning. Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com> --- drivers/clk/imx/clk-scu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)