From: Wei Yongjun <yongjun_...@trendmicro.com.cn>
Since rc_unregister_device() frees its argument, the subsequently
call to rc_free_device() on the same variable will cause a double
free bug. Fix by set argument to NULL, thus when fall through to
rc_free_device(), nothing will be done there.
Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
---
drivers/media/rc/nuvoton-cir.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index 40125d7..21ee0dc 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -1107,6 +1107,7 @@ exit_release_cir_addr:
release_region(nvt->cir_addr, CIR_IOREG_LENGTH);
exit_unregister_device:
rc_unregister_device(rdev);
+ rdev = NULL;
exit_free_dev_rdev:
rc_free_device(rdev);
kfree(nvt);
--
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