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| author | Bart Van Assche <bart.vanassche@wdc.com> | 2017-08-23 15:29:10 -0700 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-08-31 17:32:39 -0400 |
| commit | f58e76c1c551c7577b25a6fe493d82f5214331b7 (patch) | |
| tree | b63fec187cfabb2afc18c97f35d667962df114f9 /include/linux/uaccess.h | |
| parent | ddef7ed2b5cbafae692d1d580bb5a07808926a9c (diff) | |
| download | lwn-f58e76c1c551c7577b25a6fe493d82f5214331b7.tar.gz lwn-f58e76c1c551c7577b25a6fe493d82f5214331b7.zip | |
<linux/uaccess.h>: Fix copy_in_user() declaration
copy_in_user() copies data from user-space address @from to user-
space address @to. Hence declare both @from and @to as user-space
pointers.
Fixes: commit d597580d3737 ("generic ...copy_..._user primitives")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/uaccess.h')
| -rw-r--r-- | include/linux/uaccess.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index acdd6f915a8d..20ef8e6ec2db 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -156,7 +156,7 @@ copy_to_user(void __user *to, const void *from, unsigned long n) } #ifdef CONFIG_COMPAT static __always_inline unsigned long __must_check -copy_in_user(void __user *to, const void *from, unsigned long n) +copy_in_user(void __user *to, const void __user *from, unsigned long n) { might_fault(); if (access_ok(VERIFY_WRITE, to, n) && access_ok(VERIFY_READ, from, n)) |