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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2013-04-09 05:47:42 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-04-14 21:38:17 -0300
commitdbcd371b46a16a81a9975b57a11b61bbc2ba81e4 (patch)
treefbb5a2bfbba2c21260ada3a8aa377b05d0edbd81
parentf73e1851c3e196b7089eb5163a7f6bf491d9b46b (diff)
[media] rc: ene_ir: fix potential double free in ene_probe()
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_wei@trendmicro.com.cn> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/rc/ene_ir.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/rc/ene_ir.c b/drivers/media/rc/ene_ir.c
index ee6c984cade2..ed184f68c17c 100644
--- a/drivers/media/rc/ene_ir.c
+++ b/drivers/media/rc/ene_ir.c
@@ -1098,6 +1098,7 @@ exit_release_hw_io:
release_region(dev->hw_io, ENE_IO_SIZE);
exit_unregister_device:
rc_unregister_device(rdev);
+ rdev = NULL;
exit_free_dev_rdev:
rc_free_device(rdev);
kfree(dev);

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