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authorDan Carpenter <dan.carpenter@oracle.com>2013-07-10 14:58:59 +0400
committerRoland Dreier <roland@purestorage.com>2013-07-12 03:48:45 +0400
commit5e631a03af7eaa55b9ef7fa7611144c2c698c6c6 (patch)
tree6c6d5a4df7d60a7eaa849c0dd10b41d64fd8855d /drivers/infiniband
parent288dde9f23b6726c1e8147bf635721372bf77b16 (diff)
downloadlinux-5e631a03af7eaa55b9ef7fa7611144c2c698c6c6.tar.xz
mlx5: Return -EFAULT instead of -EPERM
For copy_to/from_user() failure, the correct error code is -EFAULT not -EPERM. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/mlx5/mr.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index e2daa8f02476..bd41df95b6f0 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -171,7 +171,7 @@ static ssize_t size_write(struct file *filp, const char __user *buf,
int c;
if (copy_from_user(lbuf, buf, sizeof(lbuf)))
- return -EPERM;
+ return -EFAULT;
c = order2idx(dev, ent->order);
lbuf[sizeof(lbuf) - 1] = 0;
@@ -208,7 +208,7 @@ static ssize_t size_read(struct file *filp, char __user *buf, size_t count,
return err;
if (copy_to_user(buf, lbuf, err))
- return -EPERM;
+ return -EFAULT;
*pos += err;
@@ -233,7 +233,7 @@ static ssize_t limit_write(struct file *filp, const char __user *buf,
int c;
if (copy_from_user(lbuf, buf, sizeof(lbuf)))
- return -EPERM;
+ return -EFAULT;
c = order2idx(dev, ent->order);
lbuf[sizeof(lbuf) - 1] = 0;
@@ -270,7 +270,7 @@ static ssize_t limit_read(struct file *filp, char __user *buf, size_t count,
return err;
if (copy_to_user(buf, lbuf, err))
- return -EPERM;
+ return -EFAULT;
*pos += err;