fs/compat_rw_copy_check_uvector: add missing compat_ptr call
A call to access_ok is missing a compat_ptr conversion. Introduced with
b83733639a
"compat: factor out
compat_rw_copy_check_uvector from compat_do_readv_writev"
fs/compat.c: In function 'compat_rw_copy_check_uvector':
fs/compat.c:629: warning: passing argument 1 of '__access_ok' makes pointer from integer without a cast
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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parent
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1 changed files with 1 additions and 1 deletions
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@ -626,7 +626,7 @@ ssize_t compat_rw_copy_check_uvector(int type,
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tot_len += len;
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if (tot_len < tmp) /* maths overflow on the compat_ssize_t */
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goto out;
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if (!access_ok(vrfy_dir(type), buf, len)) {
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if (!access_ok(vrfy_dir(type), compat_ptr(buf), len)) {
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ret = -EFAULT;
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goto out;
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}
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