The Coverity checker spotted the following inconsequent NULL checking in
drivers/char/cyclades.c:
<-- snip -->
...
static void cyz_handle_tx(struct cyclades_port *info,
struct BUF_CTRL __iomem *buf_ctrl)
{
struct cyclades_card *cinfo = info->card;
struct tty_struct *tty = info->tty;
...
if (tty == NULL)
goto ztxdone;
...
tty_wakeup(tty);
...
<-- snip -->
Nothing in cyz_handle_tx() seems to change "tty".
The "tty_wakeup(tty);" was added in commit
ebafeeff0fea029099e9952f233e0794106897a6.
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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