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tty-hvsi_lib: Deletion of an unnecessary check before the function call "tty_kref_put"

Browse source 
The tty_kref_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Markus Elfring 2014-11-21 12:40:32 +01:00 • committed by Greg Kroah-Hartman
commit 48f5cde566
1 changed files with 1 additions and 2 deletions
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3
drivers/tty/hvc/hvsi_lib.c
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@ -405,8 +405,7 @@ void hvsilib_close(struct hvsi_priv *pv, struct hvc_struct *hp)
hvsi_send_close(pv);
}
if (pv->tty)
tty_kref_put(pv->tty);
tty_kref_put(pv->tty);
pv->tty = NULL;
}