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staging: dgnc: remove redundant null check for kfree()

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Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Daeseok Youn
2014-07-03 19:12:01 +09:00
committed by Greg Kroah-Hartman
parent 4c0e01496b
commit 5b4af85eed
1 changed files with 6 additions and 12 deletions
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18
drivers/staging/dgnc/dgnc_tty.c
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@@ -417,10 +417,8 @@ int dgnc_tty_init(struct dgnc_board *brd)
*/
void dgnc_tty_post_uninit(void)
{
if (dgnc_TmpWriteBuf) {
kfree(dgnc_TmpWriteBuf);
dgnc_TmpWriteBuf = NULL;
}
kfree(dgnc_TmpWriteBuf);
dgnc_TmpWriteBuf = NULL;
}
@@ -456,14 +454,10 @@ void dgnc_tty_uninit(struct dgnc_board *brd)
brd->dgnc_Major_TransparentPrint_Registered = FALSE;
}
if (brd->SerialDriver.ttys) {
kfree(brd->SerialDriver.ttys);
brd->SerialDriver.ttys = NULL;
}
if (brd->PrintDriver.ttys) {
kfree(brd->PrintDriver.ttys);
brd->PrintDriver.ttys = NULL;
}
kfree(brd->SerialDriver.ttys);
brd->SerialDriver.ttys = NULL;
kfree(brd->PrintDriver.ttys);
brd->PrintDriver.ttys = NULL;
}