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TTY: hvcs: fix missing unlock on error in hvcs_initialize()

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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>
This commit is contained in:
Wei Yongjun 2012-10-22 12:42:59 +08:00 committed by Greg Kroah-Hartman
parent 08ec212c0f
commit ad3d1e5fc9
1 changed files with 3 additions and 1 deletions
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4
drivers/tty/hvc/hvcs.c
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@ -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;