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watchdog: sp5100_tco: Fix a memory leak of EFCH MMIO resource

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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: 0578fff4aa ("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>
This commit is contained in:
Jean Delvare 2022-06-21 15:28:40 +02:00 committed by Wim Van Sebroeck
parent 418c951d63
commit c6d9c0798e
1 changed files with 1 additions and 0 deletions
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drivers/watchdog/sp5100_tco.c
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@ -402,6 +402,7 @@ out:
iounmap(addr);
release_resource(res);
kfree(res);
return ret;
}