diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-02-02 19:56:55 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-04 17:42:53 +0300 |
| commit | a5e3faf161a3f225cd307f4a78e8b6673b2344bf (patch) | |
| tree | fdaab1059d9df287926b8deb0475a2fef6967002 /drivers/tty/amiserial.c | |
| parent | 0fc58931207445312987028936121b4eaf075d09 (diff) | |
| download | linux-a5e3faf161a3f225cd307f4a78e8b6673b2344bf.tar.xz | |
amiserial: Drop duplicate NULL check in shutdown()
The free_page(addr), which becomes free_pages(addr, 0) checks addr
against 0. No need to repeat this check in the caller.
Acked-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220202165655.5647-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/amiserial.c')
| -rw-r--r-- | drivers/tty/amiserial.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c index 1e60dbef676c..533d02b38e02 100644 --- a/drivers/tty/amiserial.c +++ b/drivers/tty/amiserial.c @@ -538,10 +538,8 @@ static void shutdown(struct tty_struct *tty, struct serial_state *info) */ free_irq(IRQ_AMIGA_VERTB, info); - if (info->xmit.buf) { - free_page((unsigned long) info->xmit.buf); - info->xmit.buf = NULL; - } + free_page((unsigned long)info->xmit.buf); + info->xmit.buf = NULL; info->IER = 0; amiga_custom.intena = IF_RBF | IF_TBE; |