The patch titled
uml: line.c: avoid NULL pointer dereference
has been added to the -mm tree. Its filename is
uml-linec-avoid-null-pointer-dereference.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: uml: line.c: avoid NULL pointer dereference
From: Alexander Beregalov <a.beregalov@xxxxxxxxx>
Assign tty only if line is not NULL.
Signed-off-by: Alexander Beregalov <a.beregalov@xxxxxxxxx>
Cc: Jeff Dike <jdike@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/um/drivers/line.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff -puN arch/um/drivers/line.c~uml-linec-avoid-null-pointer-dereference arch/um/drivers/line.c
--- a/arch/um/drivers/line.c~uml-linec-avoid-null-pointer-dereference
+++ a/arch/um/drivers/line.c
@@ -18,10 +18,12 @@ static irqreturn_t line_interrupt(int ir
{
struct chan *chan = data;
struct line *line = chan->line;
- struct tty_struct *tty = line->tty;
+ struct tty_struct *tty;
- if (line)
+ if (line) {
+ tty = line->tty;
chan_interrupt(&line->chan_list, &line->task, tty, irq);
+ }
return IRQ_HANDLED;
}
_
Patches currently in -mm which might be from a.beregalov@xxxxxxxxx are
origin.patch
linux-next.patch
uml-linec-avoid-null-pointer-dereference.patch
uml-linec-avoid-null-pointer-dereference-simplify.patch
rtc-mxc-fix-memory-leak.patch
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