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* PATCH: drivers/staging/lirc/lirc_serial.c: use IS_ERR()
@ 2011-02-06 20:39 Mark Lord
  2011-02-08 21:34 ` Mark Lord
  0 siblings, 1 reply; 4+ messages in thread
From: Mark Lord @ 2011-02-06 20:39 UTC (permalink / raw)
  To: Linux Kernel, Jarod Wilson, Greg Kroah-Hartman

[-- Attachment #1: Type: text/plain, Size: 725 bytes --]

The lirc_serial.c module has never worked with ordinary homebrew
serial blaster hardware, and leaks memory when this is attempted.

Fix it by replacing incorrect usage of PTR_ERR() with IS_ERR().
(patch is inline and also attached to bypass mailer issues).

Signed-off-by: Mark Lord <mlord@pobox.com>

--- linux-2.6.37/drivers/staging/lirc/lirc_serial.c	2011-01-04
19:50:19.000000000 -0500
+++ linux/drivers/staging/lirc/lirc_serial.c	2011-02-06 15:33:49.854453928 -0500
@@ -966,7 +966,7 @@
 	if (n % sizeof(int) || count % 2 == 0)
 		return -EINVAL;
 	wbuf = memdup_user(buf, n);
-	if (PTR_ERR(wbuf))
+	if (IS_ERR(wbuf))
 		return PTR_ERR(wbuf);
 	spin_lock_irqsave(&hardware[type].lock, flags);
 	if (type == LIRC_IRDEO) {

[-- Attachment #2: lirc_serial_fix.patch --]
[-- Type: text/x-patch, Size: 428 bytes --]

--- linux-2.6.37/drivers/staging/lirc/lirc_serial.c.orig	2011-01-04 19:50:19.000000000 -0500
+++ linux/drivers/staging/lirc/lirc_serial.c	2011-02-06 15:33:49.854453928 -0500
@@ -966,7 +966,7 @@
 	if (n % sizeof(int) || count % 2 == 0)
 		return -EINVAL;
 	wbuf = memdup_user(buf, n);
-	if (PTR_ERR(wbuf))
+	if (IS_ERR(wbuf))
 		return PTR_ERR(wbuf);
 	spin_lock_irqsave(&hardware[type].lock, flags);
 	if (type == LIRC_IRDEO) {

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2011-02-09 19:59 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-02-06 20:39 PATCH: drivers/staging/lirc/lirc_serial.c: use IS_ERR() Mark Lord
2011-02-08 21:34 ` Mark Lord
2011-02-09 19:52   ` Greg KH
2011-02-09 19:54     ` Greg KH

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