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authorLinus Torvalds <torvalds@linux-foundation.org>2010-06-07 17:10:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-06-07 17:10:06 -0700
commit3975d16760d4be7402d1067c548c30c427971331 (patch)
tree4fa12ee1e8aabf1352307455163dabe293ed4874 /fs/jffs2
parent4d3d769c605ebdf9fbb5a9d63827598b48351861 (diff)
parent1c24d06f8e065023ebb428db5af5514500839ee6 (diff)
downloadlinux-3975d16760d4be7402d1067c548c30c427971331.tar.gz
Merge git://git.infradead.org/~dwmw2/mtd-2.6.35
* git://git.infradead.org/~dwmw2/mtd-2.6.35:
  jffs2: update ctime when changing the file's permission by setfacl
  jffs2: Fix NFS race by using insert_inode_locked()
  jffs2: Fix in-core inode leaks on error paths
  mtd: Fix NAND submenu
  mtd/r852: update card detect early.
  mtd/r852: Fixes in case of DMA timeout
  mtd/r852: register IRQ as last step
  drivers/mtd: Use memdup_user
  docbook: make mtd nand module init static
Diffstat (limited to 'fs/jffs2')
-rw-r--r--fs/jffs2/acl.c3
-rw-r--r--fs/jffs2/dir.c127
-rw-r--r--fs/jffs2/fs.c7
3 files changed, 74 insertions, 63 deletions
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c
index a33aab6b5e68..54a92fd02bbd 100644
--- a/fs/jffs2/acl.c
+++ b/fs/jffs2/acl.c
@@ -234,8 +234,9 @@ static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
 			if (inode->i_mode != mode) {
 				struct iattr attr;
 
-				attr.ia_valid = ATTR_MODE;
+				attr.ia_valid = ATTR_MODE | ATTR_CTIME;
 				attr.ia_mode = mode;
+				attr.ia_ctime = CURRENT_TIME_SEC;
 				rc = jffs2_do_setattr(inode, &attr);
 				if (rc < 0)
 					return rc;
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index 7aa4417e085f..166062a68230 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -222,15 +222,18 @@ static int jffs2_create(struct inode *dir_i, struct dentry *dentry, int mode,
 	dir_i->i_mtime = dir_i->i_ctime = ITIME(je32_to_cpu(ri->ctime));
 
 	jffs2_free_raw_inode(ri);
-	d_instantiate(dentry, inode);
 
 	D1(printk(KERN_DEBUG "jffs2_create: Created ino #%lu with mode %o, nlink %d(%d). nrpages %ld\n",
 		  inode->i_ino, inode->i_mode, inode->i_nlink,
 		  f->inocache->pino_nlink, inode->i_mapping->nrpages));
+
+	d_instantiate(dentry, inode);
+	unlock_new_inode(inode);
 	return 0;
 
  fail:
 	make_bad_inode(inode);
+	unlock_new_inode(inode);
 	iput(inode);
 	jffs2_free_raw_inode(ri);
 	return ret;
@@ -360,8 +363,8 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
 		/* Eeek. Wave bye bye */
 		mutex_unlock(&f->sem);
 		jffs2_complete_reservation(c);
-		jffs2_clear_inode(inode);
-		return PTR_ERR(fn);
+		ret = PTR_ERR(fn);
+		goto fail;
 	}
 
 	/* We use f->target field to store the target path. */
@@ -370,8 +373,8 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
 		printk(KERN_WARNING "Can't allocate %d bytes of memory\n", targetlen + 1);
 		mutex_unlock(&f->sem);
 		jffs2_complete_reservation(c);
-		jffs2_clear_inode(inode);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto fail;
 	}
 
 	memcpy(f->target, target, targetlen + 1);
@@ -386,30 +389,24 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
 	jffs2_complete_reservation(c);
 
 	ret = jffs2_init_security(inode, dir_i);
-	if (ret) {
-		jffs2_clear_inode(inode);
-		return ret;
-	}
+	if (ret)
+		goto fail;
+
 	ret = jffs2_init_acl_post(inode);
-	if (ret) {
-		jffs2_clear_inode(inode);
-		return ret;
-	}
+	if (ret)
+		goto fail;
 
 	ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &alloclen,
 				  ALLOC_NORMAL, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
-	if (ret) {
-		/* Eep. */
-		jffs2_clear_inode(inode);
-		return ret;
-	}
+	if (ret)
+		goto fail;
 
 	rd = jffs2_alloc_raw_dirent();
 	if (!rd) {
 		/* Argh. Now we treat it like a normal delete */
 		jffs2_complete_reservation(c);
-		jffs2_clear_inode(inode);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto fail;
 	}
 
 	dir_f = JFFS2_INODE_INFO(dir_i);
@@ -437,8 +434,8 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
 		jffs2_complete_reservation(c);
 		jffs2_free_raw_dirent(rd);
 		mutex_unlock(&dir_f->sem);
-		jffs2_clear_inode(inode);
-		return PTR_ERR(fd);
+		ret = PTR_ERR(fd);
+		goto fail;
 	}
 
 	dir_i->i_mtime = dir_i->i_ctime = ITIME(je32_to_cpu(rd->mctime));
@@ -453,7 +450,14 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
 	jffs2_complete_reservation(c);
 
 	d_instantiate(dentry, inode);
+	unlock_new_inode(inode);
 	return 0;
+
+ fail:
+	make_bad_inode(inode);
+	unlock_new_inode(inode);
+	iput(inode);
+	return ret;
 }
 
 
@@ -519,8 +523,8 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
 		/* Eeek. Wave bye bye */
 		mutex_unlock(&f->sem);
 		jffs2_complete_reservation(c);
-		jffs2_clear_inode(inode);
-		return PTR_ERR(fn);
+		ret = PTR_ERR(fn);
+		goto fail;
 	}
 	/* No data here. Only a metadata node, which will be
 	   obsoleted by the first data write
@@ -531,30 +535,24 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
 	jffs2_complete_reservation(c);
 
 	ret = jffs2_init_security(inode, dir_i);
-	if (ret) {
-		jffs2_clear_inode(inode);
-		return ret;
-	}
+	if (ret)
+		goto fail;
+
 	ret = jffs2_init_acl_post(inode);
-	if (ret) {
-		jffs2_clear_inode(inode);
-		return ret;
-	}
+	if (ret)
+		goto fail;
 
 	ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &alloclen,
 				  ALLOC_NORMAL, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
-	if (ret) {
-		/* Eep. */
-		jffs2_clear_inode(inode);
-		return ret;
-	}
+	if (ret)
+		goto fail;
 
 	rd = jffs2_alloc_raw_dirent();
 	if (!rd) {
 		/* Argh. Now we treat it like a normal delete */
 		jffs2_complete_reservation(c);
-		jffs2_clear_inode(inode);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto fail;
 	}
 
 	dir_f = JFFS2_INODE_INFO(dir_i);
@@ -582,8 +580,8 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
 		jffs2_complete_reservation(c);
 		jffs2_free_raw_dirent(rd);
 		mutex_unlock(&dir_f->sem);
-		jffs2_clear_inode(inode);
-		return PTR_ERR(fd);
+		ret = PTR_ERR(fd);
+		goto fail;
 	}
 
 	dir_i->i_mtime = dir_i->i_ctime = ITIME(je32_to_cpu(rd->mctime));
@@ -599,7 +597,14 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
 	jffs2_complete_reservation(c);
 
 	d_instantiate(dentry, inode);
+	unlock_new_inode(inode);
 	return 0;
+
+ fail:
+	make_bad_inode(inode);
+	unlock_new_inode(inode);
+	iput(inode);
+	return ret;
 }
 
 static int jffs2_rmdir (struct inode *dir_i, struct dentry *dentry)
@@ -693,8 +698,8 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
 		/* Eeek. Wave bye bye */
 		mutex_unlock(&f->sem);
 		jffs2_complete_reservation(c);
-		jffs2_clear_inode(inode);
-		return PTR_ERR(fn);
+		ret = PTR_ERR(fn);
+		goto fail;
 	}
 	/* No data here. Only a metadata node, which will be
 	   obsoleted by the first data write
@@ -705,30 +710,24 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
 	jffs2_complete_reservation(c);
 
 	ret = jffs2_init_security(inode, dir_i);
-	if (ret) {
-		jffs2_clear_inode(inode);
-		return ret;
-	}
+	if (ret)
+		goto fail;
+
 	ret = jffs2_init_acl_post(inode);
-	if (ret) {
-		jffs2_clear_inode(inode);
-		return ret;
-	}
+	if (ret)
+		goto fail;
 
 	ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &alloclen,
 				  ALLOC_NORMAL, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
-	if (ret) {
-		/* Eep. */
-		jffs2_clear_inode(inode);
-		return ret;
-	}
+	if (ret)
+		goto fail;
 
 	rd = jffs2_alloc_raw_dirent();
 	if (!rd) {
 		/* Argh. Now we treat it like a normal delete */
 		jffs2_complete_reservation(c);
-		jffs2_clear_inode(inode);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto fail;
 	}
 
 	dir_f = JFFS2_INODE_INFO(dir_i);
@@ -759,8 +758,8 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
 		jffs2_complete_reservation(c);
 		jffs2_free_raw_dirent(rd);
 		mutex_unlock(&dir_f->sem);
-		jffs2_clear_inode(inode);
-		return PTR_ERR(fd);
+		ret = PTR_ERR(fd);
+		goto fail;
 	}
 
 	dir_i->i_mtime = dir_i->i_ctime = ITIME(je32_to_cpu(rd->mctime));
@@ -775,8 +774,14 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
 	jffs2_complete_reservation(c);
 
 	d_instantiate(dentry, inode);
-
+	unlock_new_inode(inode);
 	return 0;
+
+ fail:
+	make_bad_inode(inode);
+	unlock_new_inode(inode);
+	iput(inode);
+	return ret;
 }
 
 static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry,
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 8bc2c80ab159..459d39d1ea0b 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -465,7 +465,12 @@ struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_i
 	inode->i_blocks = 0;
 	inode->i_size = 0;
 
-	insert_inode_hash(inode);
+	if (insert_inode_locked(inode) < 0) {
+		make_bad_inode(inode);
+		unlock_new_inode(inode);
+		iput(inode);
+		return ERR_PTR(-EINVAL);
+	}
 
 	return inode;
 }