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fs/fnctl: fix missing __user in fcntl_rw_hint()

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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@codethink.co.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Ben Dooks 2019-10-15 11:50:49 +01:00 committed by Al Viro
parent 54ecb8f702
commit e200327708
1 changed files with 1 additions and 1 deletions
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fs/fcntl.c
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@ -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;