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remoteproc: return -EFAULT on copy_from_user failure
author
Dan Carpenter
<dan.carpenter@oracle.com>
Tue, 25 Sep 2012 07:05:33 +0000
(10:05 +0300)
committer
Ohad Ben-Cohen
<ohad@wizery.com>
Sun, 30 Sep 2012 09:44:53 +0000
(11:44 +0200)
copy_from_user() returns the number of bytes remaining to be copied, but
we want to return an error code here.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
drivers/remoteproc/remoteproc_debugfs.c
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diff --git
a/drivers/remoteproc/remoteproc_debugfs.c
b/drivers/remoteproc/remoteproc_debugfs.c
index
ea90a56
..
157a573
100644
(file)
--- a/
drivers/remoteproc/remoteproc_debugfs.c
+++ b/
drivers/remoteproc/remoteproc_debugfs.c
@@
-161,7
+161,7
@@
rproc_recovery_write(struct file *filp, const char __user *user_buf,
ret = copy_from_user(buf, user_buf, count);
if (ret)
- return
ret
;
+ return
-EFAULT
;
/* remove end of line */
if (buf[count - 1] == '\n')