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authorColin Ian King <colin.king@canonical.com>2019-11-11 12:20:09 +0000
committerJuergen Gross <jgross@suse.com>2019-12-02 07:27:43 +0100
commitd41b26d81a83e04500e926fbab746ae87c20bb0e (patch)
tree0b32a4e39cf8d6f16e2ea3dd88251d447def8d21 /drivers/xen
parent348be43384e6bcd5e9da7ff5f1680d49f65c488d (diff)
downloadlinux-d41b26d81a83e04500e926fbab746ae87c20bb0e.tar.gz
xen/gntdev: remove redundant non-zero check on ret
The non-zero check on ret is always going to be false because ret was initialized as zero and the only place it is set to non-zero contains a return path before the non-zero check. Hence the check is redundant and can be removed. [ jgross@suse.com: limit scope of ret ] Addresses-Coverity: ("Logically dead code") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/gntdev.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index a04ddf2a68af..3d40f8074dbb 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -506,7 +506,6 @@ static const struct mmu_interval_notifier_ops gntdev_mmu_ops = {
static int gntdev_open(struct inode *inode, struct file *flip)
{
struct gntdev_priv *priv;
- int ret = 0;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
@@ -518,16 +517,12 @@ static int gntdev_open(struct inode *inode, struct file *flip)
#ifdef CONFIG_XEN_GNTDEV_DMABUF
priv->dmabuf_priv = gntdev_dmabuf_init(flip);
if (IS_ERR(priv->dmabuf_priv)) {
- ret = PTR_ERR(priv->dmabuf_priv);
- kfree(priv);
- return ret;
- }
-#endif
+ int ret = PTR_ERR(priv->dmabuf_priv);
- if (ret) {
kfree(priv);
return ret;
}
+#endif
flip->private_data = priv;
#ifdef CONFIG_XEN_GRANT_DMA_ALLOC