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authorJoerg Roedel <jroedel@suse.de>2023-10-26 17:05:58 +0200
committerJoerg Roedel <jroedel@suse.de>2023-10-26 17:05:58 +0200
commit3613047280ec42a4e1350fdc1a6dd161ff4008cc (patch)
tree6cf2f03f518537f3229e6066a8b2638755f0bb48 /drivers/vhost/vringh.c
parentbbc70e0aec287e164344b1a071bd46466a4f29b3 (diff)
parent05d3ef8bba77c1b5f98d941d8b2d4aeab8118ef1 (diff)
Merge tag 'v6.6-rc7' into core
Linux 6.6-rc7
Diffstat (limited to 'drivers/vhost/vringh.c')
-rw-r--r--drivers/vhost/vringh.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c
index 955d938eb663..7b8fd977f71c 100644
--- a/drivers/vhost/vringh.c
+++ b/drivers/vhost/vringh.c
@@ -123,8 +123,18 @@ static inline ssize_t vringh_iov_xfer(struct vringh *vrh,
done += partlen;
len -= partlen;
ptr += partlen;
+ iov->consumed += partlen;
+ iov->iov[iov->i].iov_len -= partlen;
+ iov->iov[iov->i].iov_base += partlen;
- vringh_kiov_advance(iov, partlen);
+ if (!iov->iov[iov->i].iov_len) {
+ /* Fix up old iov element then increment. */
+ iov->iov[iov->i].iov_len = iov->consumed;
+ iov->iov[iov->i].iov_base -= iov->consumed;
+
+ iov->consumed = 0;
+ iov->i++;
+ }
}
return done;
}