Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.19 0987/1157] watchdog: sp5100_tco: Fix a memory leak of EFCH MMIO resource | Date | Mon, 15 Aug 2022 20:05:43 +0200 |
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From: Jean Delvare <jdelvare@suse.de>
[ Upstream commit c6d9c0798ed366a09a9e53d71edcd2266e34a6eb ]
Unlike release_mem_region(), a call to release_resource() does not free the resource, so it has to be freed explicitly to avoid a memory leak.
Signed-off-by: Jean Delvare <jdelvare@suse.de> Fixes: 0578fff4aae5 ("Watchdog: sp5100_tco: Add initialization using EFCH MMIO") Cc: Terry Bowman <terry.bowman@amd.com> Cc: Wim Van Sebroeck <wim@linux-watchdog.org> Cc: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20220621152840.420a0f4c@endymion.delvare Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/watchdog/sp5100_tco.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c index 86ffb58fbc85..ae54dd33e233 100644 --- a/drivers/watchdog/sp5100_tco.c +++ b/drivers/watchdog/sp5100_tco.c @@ -402,6 +402,7 @@ static int sp5100_tco_setupdevice_mmio(struct device *dev, iounmap(addr); release_resource(res); + kfree(res); return ret; } -- 2.35.1
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