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| author | Mark Brown <broonie@kernel.org> | 2026-07-03 16:21:32 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-07-03 16:21:32 +0100 |
| commit | 9b0932add9ea8df8788383d02a42c7f3ab78c0ce (patch) | |
| tree | d7050252839f818639024008971169f46c16a21d /drivers/xen/gntdev.c | |
| parent | be379ccbb7aa37be7596636c54b7197726453480 (diff) | |
| parent | fcd245ea7528d50fddffc0fd1308941a9180f5b3 (diff) | |
| download | linux-next-9b0932add9ea8df8788383d02a42c7f3ab78c0ce.tar.gz linux-next-9b0932add9ea8df8788383d02a42c7f3ab78c0ce.zip | |
Merge branch 'linux-next' of https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git
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 61ea855c4508..1dcc4675580e 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -670,11 +670,15 @@ 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; } |