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From: Navdeep Parhar <np@FreeBSD.org>
Date: Mon, 2 Feb 2015 23:41:44 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r278117 - head/sys/ofed/include/linux
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Author: np
Date: Mon Feb  2 23:41:43 2015
New Revision: 278117
URL: https://svnweb.freebsd.org/changeset/base/278117

Log:
  Fix bug in idr_pre_get where it doesn't handle 'need' correctly.
  
  Obtained from:	Chelsio Communications' internal repository.

Modified:
  head/sys/ofed/include/linux/linux_idr.c

Modified: head/sys/ofed/include/linux/linux_idr.c
==============================================================================
--- head/sys/ofed/include/linux/linux_idr.c	Mon Feb  2 21:09:26 2015	(r278116)
+++ head/sys/ofed/include/linux/linux_idr.c	Mon Feb  2 23:41:43 2015	(r278117)
@@ -223,7 +223,7 @@ idr_pre_get(struct idr *idr, gfp_t gfp_m
 		for (il = idr->free; il != NULL; il = il->ary[0])
 			need--;
 		mtx_unlock(&idr->lock);
-		if (need == 0)
+		if (need <= 0)
 			break;
 		for (head = NULL; need; need--) {
 			iln = malloc(sizeof(*il), M_IDR, M_ZERO | gfp_mask);