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[Xen-changelog] Don't increment mi->usage is alloc_major_info return NUL
| To: | xen-changelog@xxxxxxxxxxxxxxxxxxx |
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| Subject: | [Xen-changelog] Don't increment mi->usage is alloc_major_info return NULL |
| From: | Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx> |
| Date: | Sun, 09 Oct 2005 16:46:10 +0000 |
| Delivery-date: | Sun, 09 Oct 2005 16:43:41 +0000 |
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# HG changeset patch
# User vh249@xxxxxxxxxxxxxxxxxxxxxxxx
# Node ID ab93a9a46bd48f9a654b1fdc9caf4b7ae07f6a8b
# Parent 8f7ee9ab31ac36c84fcf499684803e72c3eef2ef
Don't increment mi->usage is alloc_major_info return NULL
Signed-off-by: Vincent Hanquez <vincent@xxxxxxxxxxxxx>
diff -r 8f7ee9ab31ac -r ab93a9a46bd4
linux-2.6-xen-sparse/drivers/xen/blkfront/vbd.c
--- a/linux-2.6-xen-sparse/drivers/xen/blkfront/vbd.c Sun Oct 9 15:26:08 2005
+++ b/linux-2.6-xen-sparse/drivers/xen/blkfront/vbd.c Sun Oct 9 16:29:24 2005
@@ -160,7 +160,8 @@
mi = ((major_info[index] != NULL) ? major_info[index] :
xlbd_alloc_major_info(major, minor, index));
- mi->usage++;
+ if (mi)
+ mi->usage++;
return mi;
}
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