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| author | Jens Axboe <axboe@suse.de> | 2006-05-04 09:13:49 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@suse.de> | 2006-05-04 09:13:49 +0200 |
| commit | 98232d504db0a1f91ecaa93686ed3bf61963103b (patch) | |
| tree | 0034c6798c6463775da82e30561ef6a7e37c5a08 /fs/compat.c | |
| parent | a0548871ed267ae12eb1c860c5aaebd9e466b34e (diff) | |
| download | lwn-98232d504db0a1f91ecaa93686ed3bf61963103b.tar.gz lwn-98232d504db0a1f91ecaa93686ed3bf61963103b.zip | |
[PATCH] compat_sys_vmsplice: one-off in UIO_MAXIOV check
nr_segs may not be > UIO_MAXIOV, however it may be equal to. This makes
the behaviour identical to the real sys_vmsplice(). The other foov
syscalls also agree that this is the way to go.
Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'fs/compat.c')
| -rw-r--r-- | fs/compat.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/compat.c b/fs/compat.c index 3f3e8f4d43d6..970888aad843 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1323,7 +1323,7 @@ compat_sys_vmsplice(int fd, const struct compat_iovec __user *iov32, { unsigned i; struct iovec *iov; - if (nr_segs >= UIO_MAXIOV) + if (nr_segs > UIO_MAXIOV) return -EINVAL; iov = compat_alloc_user_space(nr_segs * sizeof(struct iovec)); for (i = 0; i < nr_segs; i++) { |