Commit 68d2059b authored by Colin Ian King's avatar Colin Ian King Committed by Juergen Gross

xen/pvcalls: fix null pointer dereference on map->sock

Currently if map is null then a potential null pointer deference
occurs when calling sock_release on map->sock.  I believe the
actual intention was to call sock_release on sock instead. Fix
this.

Fixes: 5db4d286 ("xen/pvcalls: implement connect command")
Signed-off-by: default avatarColin Ian King <colin.king@canonical.com>
Reviewed-by: default avatarJuergen Gross <jgross@suse.com>
Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent d1a75e08
...@@ -416,7 +416,7 @@ static int pvcalls_back_connect(struct xenbus_device *dev, ...@@ -416,7 +416,7 @@ static int pvcalls_back_connect(struct xenbus_device *dev,
sock); sock);
if (!map) { if (!map) {
ret = -EFAULT; ret = -EFAULT;
sock_release(map->sock); sock_release(sock);
} }
out: out:
......
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