[Iscsitarget-devel] [patch] UAs alloc in spin lock cause soft lockup

[Ross S. W. W. <RW...@me...>]

IET 1.4.20 introduced a bug where UAs could be allocated within
a spin lock which would cause a soft lockup as they were alloc'd
GFP_KERNEL.

Signed-off-by: Ross Walker

Index: kernel/ua.c
===================================================================
--- kernel/ua.c	(revision 339)
+++ kernel/ua.c	(working copy)
@@ -108,7 +108,7 @@ void ua_establish_for_session(struct isc
 			      u8 asc, u8 ascq)
 {
 	struct list_head *l = &sess->ua_hash[ua_hashfn(lun)];
-	struct ua_entry *ua = kmem_cache_alloc(ua_cache, GFP_KERNEL);
+	struct ua_entry *ua = kmem_cache_alloc(ua_cache, GFP_ATOMIC);
 	struct ua_entry *e;
 
 	if (!ua) {

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