Messages in this thread Patch in this message | | | From | Bryan Brattlof <> | Subject | [PATCH] thermal: k3_j72xx_bandgap: Fix ref_table memory leak during probe | Date | Wed, 25 May 2022 16:36:17 -0500 |
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If an error occurs in the k3_j72xx_bandgap_probe() function the memory allocated to the 'ref_table' will not be released.
Add a err_free_ref_table step to the error path to free 'ref_table'
Fixes: 72b3fc61c752 ("thermal: k3_j72xx_bandgap: Add the bandgap driver support") Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bryan Brattlof <bb@ti.com> --- drivers/thermal/k3_j72xx_bandgap.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/thermal/k3_j72xx_bandgap.c b/drivers/thermal/k3_j72xx_bandgap.c index 64e3231589527..3a35aa38ff512 100644 --- a/drivers/thermal/k3_j72xx_bandgap.c +++ b/drivers/thermal/k3_j72xx_bandgap.c @@ -433,7 +433,7 @@ static int k3_j72xx_bandgap_probe(struct platform_device *pdev) GFP_KERNEL); if (!derived_table) { ret = -ENOMEM; - goto err_alloc; + goto err_free_ref_table; } /* Workaround not needed if bit30/bit31 is set even for J721e */ @@ -483,7 +483,7 @@ static int k3_j72xx_bandgap_probe(struct platform_device *pdev) if (IS_ERR(ti_thermal)) { dev_err(bgp->dev, "thermal zone device is NULL\n"); ret = PTR_ERR(ti_thermal); - goto err_alloc; + goto err_free_ref_table; } } @@ -514,6 +514,9 @@ static int k3_j72xx_bandgap_probe(struct platform_device *pdev) return 0; +err_free_ref_table: + kfree(ref_table); + err_alloc: pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); -- 2.17.1
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