[PATCH 02/16] Staging: batman-adv: return -EFAULT on copy_to_user errors
Greg Kroah-Hartman
gregkh at suse.de
Wed Jun 30 15:25:52 UTC 2010
From: Dan Carpenter <error27 at gmail.com>
copy_to_user() returns the number of bites remaining but we want to
return a negative error code here.
Signed-off-by: Dan Carpenter <error27 at gmail.com>
Signed-off-by: Sven Eckelmann <sven.eckelmann at gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
---
drivers/staging/batman-adv/device.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index 7eb6559..32204b5 100644
--- a/drivers/staging/batman-adv/device.c
+++ b/drivers/staging/batman-adv/device.c
@@ -196,7 +196,7 @@ ssize_t bat_device_read(struct file *file, char __user *buf, size_t count,
kfree(device_packet);
if (error)
- return error;
+ return -EFAULT;
return sizeof(struct icmp_packet);
}
--
1.7.1
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