linux-kernel - [PATCH] input: for best practices, return -ENOMEM instead of -1 when returning on mem allocation errors

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Date:	Thu, 23 Sep 2010 10:14:05 -0400
From:	Davidlohr Bueso <dave@....org>
To:	dmitry.torokhov@...il.com, dtor@...l.ru
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-input@...r.kernel.org
Subject: [PATCH] input: for best practices, return -ENOMEM instead of -1
 when returning on mem allocation errors

input: for best practices, return -ENOMEM instead of -1 when returning on mem allocation errors.

Signed-off-by: Davidlohr Bueso <dave@....org>
---
 drivers/input/misc/powermate.c   |    2 +-
 drivers/input/mouse/elantech.c   |    2 +-
 drivers/input/mouse/synaptics.c  |    2 +-
 drivers/input/mouse/trackpoint.c |    2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/input/misc/powermate.c b/drivers/input/misc/powermate.c
index bf170f6..f459471 100644
--- a/drivers/input/misc/powermate.c
+++ b/drivers/input/misc/powermate.c
@@ -280,7 +280,7 @@ static int powermate_alloc_buffers(struct usb_device *udev, struct powermate_dev
 
 	pm->configcr = kmalloc(sizeof(*(pm->configcr)), GFP_KERNEL);
 	if (!pm->configcr)
-		return -1;
+		return -ENOMEM;
 
 	return 0;
 }
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 4831120..04d9bf3 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -699,7 +699,7 @@ int elantech_init(struct psmouse *psmouse)
 
 	psmouse->private = etd = kzalloc(sizeof(struct elantech_data), GFP_KERNEL);
 	if (!etd)
-		return -1;
+		return -ENOMEM;
 
 	etd->parity[0] = 1;
 	for (i = 1; i < 256; i++)
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 96b70a4..a79bc36 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -731,7 +731,7 @@ int synaptics_init(struct psmouse *psmouse)
 
 	psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL);
 	if (!priv)
-		return -1;
+		return -ENOMEM;
 
 	psmouse_reset(psmouse);
 
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 0643e49..54b2fa8 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -303,7 +303,7 @@ int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
 
 	psmouse->private = kzalloc(sizeof(struct trackpoint_data), GFP_KERNEL);
 	if (!psmouse->private)
-		return -1;
+		return -ENOMEM;
 
 	psmouse->vendor = "IBM";
 	psmouse->name = "TrackPoint";
-- 
1.7.0.4



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