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author | Daeseok Youn <daeseok.youn@gmail.com> | 2016-07-06 15:13:14 +0900 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-15 19:06:09 +0200 |
commit | 18419f77a22ae8d3b9330c83f6d09e0e66d2d755 (patch) | |
tree | 1c68c822f2489e4ffd21230f6e6d1915431dd3aa /drivers/staging/dgnc | |
parent | staging: dgnc: remove redundant local variable for (diff) | |
download | linux-dev-18419f77a22ae8d3b9330c83f6d09e0e66d2d755.tar.xz linux-dev-18419f77a22ae8d3b9330c83f6d09e0e66d2d755.zip |
staging: dgnc: remove redundant variable null check
The unit struct(un_t) was not used in dgnc_tty_hangup().
Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/dgnc')
-rw-r--r-- | drivers/staging/dgnc/dgnc_tty.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c index 13870413c7b6..b33b07c6fd68 100644 --- a/drivers/staging/dgnc/dgnc_tty.c +++ b/drivers/staging/dgnc/dgnc_tty.c @@ -1289,15 +1289,9 @@ static int dgnc_block_til_ready(struct tty_struct *tty, */ static void dgnc_tty_hangup(struct tty_struct *tty) { - struct un_t *un; - if (!tty || tty->magic != TTY_MAGIC) return; - un = tty->driver_data; - if (!un || un->magic != DGNC_UNIT_MAGIC) - return; - /* flush the transmit queues */ dgnc_tty_flush_buffer(tty); } |