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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-24 16:17:26 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-24 16:17:26 +0200 |
| commit | b62ed4c93ad71374b54d2c3a72cbc67b506f580c (patch) | |
| tree | 6ca6ab974bbce902fc9de300fea6aa056170850f /drivers/xen/gntdev.c | |
| parent | 5895db67c12464003afd16c08049b73aa09e58ea (diff) | |
| parent | 221fc2f4d0eda59d02af2e751a9282fa013a8e97 (diff) | |
Merge v6.18.40linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/xen/gntdev.c')
| -rw-r--r-- | drivers/xen/gntdev.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 2c960f187f7c..1e21b75114e5 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -676,11 +676,15 @@ static long gntdev_ioctl_map_grant_ref(struct gntdev_priv *priv, mutex_lock(&priv->lock); gntdev_add_map(priv, map); op.index = map->index << PAGE_SHIFT; - mutex_unlock(&priv->lock); - if (copy_to_user(u, &op, sizeof(op)) != 0) + if (copy_to_user(u, &op, sizeof(op)) != 0) { + list_del(&map->next); + mutex_unlock(&priv->lock); + gntdev_put_map(priv, map); return -EFAULT; + } + mutex_unlock(&priv->lock); return 0; } |