The fcntl_rw_hint() has a missing __user annotation in
the code when assinging argp. Add this to fix the
following sparse warnings:
fs/fcntl.c:280:22: warning: incorrect type in initializer (different address spaces)
fs/fcntl.c:280:22: expected unsigned long long [usertype] *argp
fs/fcntl.c:280:22: got unsigned long long [noderef] [usertype] <asn:1> *
fs/fcntl.c:287:34: warning: incorrect type in argument 1 (different address spaces)
fs/fcntl.c:287:34: expected void [noderef] <asn:1> *to
fs/fcntl.c:287:34: got unsigned long long [usertype] *argp
fs/fcntl.c:291:40: warning: incorrect type in argument 2 (different address spaces)
fs/fcntl.c:291:40: expected void const [noderef] <asn:1> *from
fs/fcntl.c:291:40: got unsigned long long [usertype] *argp
fs/fcntl.c:303:34: warning: incorrect type in argument 1 (different address spaces)
fs/fcntl.c:303:34: expected void [noderef] <asn:1> *to
fs/fcntl.c:303:34: got unsigned long long [usertype] *argp
fs/fcntl.c:307:40: warning: incorrect type in argument 2 (different address spaces)
fs/fcntl.c:307:40: expected void const [noderef] <asn:1> *from
fs/fcntl.c:307:40: got unsigned long long [usertype] *argp
Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
---
Cc: Jeff Layton <jlayton@xxxxxxxxxx>
Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: linux-fsdevel@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
fs/fcntl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 3d40771e8e7c..7ca7562f2b79 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -277,7 +277,7 @@ static long fcntl_rw_hint(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct inode *inode = file_inode(file);
- u64 *argp = (u64 __user *)arg;
+ u64 __user *argp = (u64 __user *)arg;
enum rw_hint hint;
u64 h;
--
2.23.0
