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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-10-22 06:42:59 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-24 20:37:02 +0200 |
| commit | ad3d1e5fc94e1d617298cf9b8fb522e2d219521a (patch) | |
| tree | 3acb66c8bef8d114ee09b1422acbbbbc3502e61b /drivers/tty/hvc/hvcs.c | |
| parent | x86: ce4100: allow second UART usage (diff) | |
| download | linux-ad3d1e5fc94e1d617298cf9b8fb522e2d219521a.tar.xz linux-ad3d1e5fc94e1d617298cf9b8fb522e2d219521a.zip | |
TTY: hvcs: fix missing unlock on error in hvcs_initialize()
Add the missing unlock on the error handling path in function
hvcs_initialize().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/hvc/hvcs.c')
| -rw-r--r-- | drivers/tty/hvc/hvcs.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c index cab5c7adf8e8..744c3b8eea49 100644 --- a/drivers/tty/hvc/hvcs.c +++ b/drivers/tty/hvc/hvcs.c @@ -1496,8 +1496,10 @@ static int __devinit hvcs_initialize(void) num_ttys_to_alloc = hvcs_parm_num_devs; hvcs_tty_driver = alloc_tty_driver(num_ttys_to_alloc); - if (!hvcs_tty_driver) + if (!hvcs_tty_driver) { + mutex_unlock(&hvcs_init_mutex); return -ENOMEM; + } if (hvcs_alloc_index_list(num_ttys_to_alloc)) { rc = -ENOMEM; |