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| author | Jarod Wilson <jarod@redhat.com> | 2010-09-17 18:12:31 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 01:06:08 -0200 |
| commit | df1868e4ee605444bbb98505126bdfb3519749af (patch) | |
| tree | d0b9edb41c55ca9cf28260817ec430ec3efc4638 | |
| parent | 04292fc0031a28d298dfa03c4cd9ce6abef9b4e0 (diff) | |
| download | talos-op-linux-df1868e4ee605444bbb98505126bdfb3519749af.tar.gz talos-op-linux-df1868e4ee605444bbb98505126bdfb3519749af.zip | |
V4L/DVB: IR/lirc_dev: check for valid irctl in unregister path
Prompted by Red Hat bugzilla #633023
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/IR/lirc_dev.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/IR/lirc_dev.c b/drivers/media/IR/lirc_dev.c index 899891bec352..0572053a7944 100644 --- a/drivers/media/IR/lirc_dev.c +++ b/drivers/media/IR/lirc_dev.c @@ -366,6 +366,11 @@ int lirc_unregister_driver(int minor) } ir = irctls[minor]; + if (!ir) { + printk(KERN_ERR "lirc_dev: lirc_unregister_driver: " + "failed to get irctl struct for minor %d!", minor); + return -ENOENT; + } mutex_lock(&lirc_dev_lock); |
