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authorLinus Torvalds <torvalds@linux-foundation.org>2010-12-06 20:08:25 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-12-06 20:08:25 -0800
commit086b17046c068ef3fa6e69c03c786b39ca617a0a (patch)
tree027f1aac84c1c8eb990a027be963821643cf4d7f /fs
parentda8f2e246183ae109f87694ee3f06e8fcca2931b (diff)
parent226291aa4641fa13cb5dec3bcb3379faa83009e2 (diff)
downloadlinux-086b17046c068ef3fa6e69c03c786b39ca617a0a.tar.gz
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
  ocfs2_connection_find() returns pointer to bad structure
  ocfs2: char is not always signed
  Ocfs2: Stop tracking a negative dentry after dentry_iput().
  ocfs2: fix memory leak
  fs/ocfs2/dlm: Use GFP_ATOMIC under spin_lock
Diffstat (limited to 'fs')
-rw-r--r--fs/ocfs2/cluster/heartbeat.c14
-rw-r--r--fs/ocfs2/dcache.c1
-rw-r--r--fs/ocfs2/dlm/dlmdomain.c2
-rw-r--r--fs/ocfs2/ocfs2.h6
-rw-r--r--fs/ocfs2/stack_user.c2
5 files changed, 15 insertions, 10 deletions
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 52c7557f3e25..9f26ac9be2a4 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1964,8 +1964,10 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
 	if (reg == NULL)
 		return ERR_PTR(-ENOMEM);
 
-	if (strlen(name) > O2HB_MAX_REGION_NAME_LEN)
-		return ERR_PTR(-ENAMETOOLONG);
+	if (strlen(name) > O2HB_MAX_REGION_NAME_LEN) {
+		ret = -ENAMETOOLONG;
+		goto free;
+	}
 
 	spin_lock(&o2hb_live_lock);
 	reg->hr_region_num = 0;
@@ -1974,7 +1976,8 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
 							 O2NM_MAX_REGIONS);
 		if (reg->hr_region_num >= O2NM_MAX_REGIONS) {
 			spin_unlock(&o2hb_live_lock);
-			return ERR_PTR(-EFBIG);
+			ret = -EFBIG;
+			goto free;
 		}
 		set_bit(reg->hr_region_num, o2hb_region_bitmap);
 	}
@@ -1986,10 +1989,13 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
 	ret = o2hb_debug_region_init(reg, o2hb_debug_dir);
 	if (ret) {
 		config_item_put(&reg->hr_item);
-		return ERR_PTR(ret);
+		goto free;
 	}
 
 	return &reg->hr_item;
+free:
+	kfree(reg);
+	return ERR_PTR(ret);
 }
 
 static void o2hb_heartbeat_group_drop_item(struct config_group *group,
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index edaded48e7e9..895532ac4d98 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -476,7 +476,6 @@ static void ocfs2_dentry_iput(struct dentry *dentry, struct inode *inode)
 
 out:
 	iput(inode);
-	ocfs2_dentry_attach_gen(dentry);
 }
 
 /*
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 58a93b953735..cc2aaa96cfe5 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -959,7 +959,7 @@ static int dlm_match_regions(struct dlm_ctxt *dlm,
 		r += O2HB_MAX_REGION_NAME_LEN;
 	}
 
-	local = kmalloc(sizeof(qr->qr_regions), GFP_KERNEL);
+	local = kmalloc(sizeof(qr->qr_regions), GFP_ATOMIC);
 	if (!local) {
 		status = -ENOMEM;
 		goto bail;
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 1efea3615589..70dd3b1798f1 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -159,9 +159,9 @@ struct ocfs2_lock_res {
 	char                     l_name[OCFS2_LOCK_ID_MAX_LEN];
 	unsigned int             l_ro_holders;
 	unsigned int             l_ex_holders;
-	char			 l_level;
-	char			 l_requested;
-	char			 l_blocking;
+	signed char		 l_level;
+	signed char		 l_requested;
+	signed char		 l_blocking;
 
 	/* Data packed - type enum ocfs2_lock_type */
 	unsigned char            l_type;
diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c
index 252e7c82f929..a5ebe421195f 100644
--- a/fs/ocfs2/stack_user.c
+++ b/fs/ocfs2/stack_user.c
@@ -190,7 +190,7 @@ static struct ocfs2_live_connection *ocfs2_connection_find(const char *name)
 			return c;
 	}
 
-	return c;
+	return NULL;
 }
 
 /*