Merge branch '3.4-rc1' into android-tegra-nv-3.3-rebased

Change-Id: Ib3b69ffc5ac3e07c9cc44cc49e9142088eec477e
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

2 files changed, 40 insertions, 51 deletions

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 18727a4c5b44..d403f76c5a68 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1505,11 +1505,13 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat,
 	root_inode->i_ino = MSDOS_ROOT_INO;
 	root_inode->i_version = 1;
 	error = fat_read_root(root_inode);
-	if (error < 0)
+	if (error < 0) {
+		iput(root_inode);
 		goto out_fail;
+	}
 	error = -ENOMEM;
 	insert_inode_hash(root_inode);
-	sb->s_root = d_alloc_root(root_inode);
+	sb->s_root = d_make_root(root_inode);
 	if (!sb->s_root) {
 		fat_msg(sb, KERN_ERR, "get root inode failed");
 		goto out_fail;
@@ -1525,8 +1527,6 @@ out_invalid:
 out_fail:
 	if (fat_inode)
 		iput(fat_inode);
-	if (root_inode)
-		iput(root_inode);
 	unload_nls(sbi->nls_io);
 	unload_nls(sbi->nls_disk);
 	if (sbi->options.iocharset != fat_default_iocharset)
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index a81eb2367d39..98ae804f5273 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -521,57 +521,46 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
 
 		op = &outname[*outlen * sizeof(wchar_t)];
 	} else {
-		if (nls) {
-			for (i = 0, ip = name, op = outname, *outlen = 0;
-			     i < len && *outlen <= FAT_LFN_LEN;
-			     *outlen += 1)
-			{
-				if (escape && (*ip == ':')) {
-					if (i > len - 5)
-						return -EINVAL;
-					ec = 0;
-					for (k = 1; k < 5; k++) {
-						nc = ip[k];
-						ec <<= 4;
-						if (nc >= '0' && nc <= '9') {
-							ec |= nc - '0';
-							continue;
-						}
-						if (nc >= 'a' && nc <= 'f') {
-							ec |= nc - ('a' - 10);
-							continue;
-						}
-						if (nc >= 'A' && nc <= 'F') {
-							ec |= nc - ('A' - 10);
-							continue;
-						}
-						return -EINVAL;
+		for (i = 0, ip = name, op = outname, *outlen = 0;
+			 i < len && *outlen < FAT_LFN_LEN;
+			 *outlen += 1) {
+			if (escape && (*ip == ':')) {
+				if (i > len - 5)
+					return -EINVAL;
+				ec = 0;
+				for (k = 1; k < 5; k++) {
+					nc = ip[k];
+					ec <<= 4;
+					if (nc >= '0' && nc <= '9') {
+						ec |= nc - '0';
+						continue;
 					}
-					*op++ = ec & 0xFF;
-					*op++ = ec >> 8;
-					ip += 5;
-					i += 5;
-				} else {
-					if ((charlen = nls->char2uni(ip, len - i, (wchar_t *)op)) < 0)
-						return -EINVAL;
-					ip += charlen;
-					i += charlen;
-					op += 2;
+					if (nc >= 'a' && nc <= 'f') {
+						ec |= nc - ('a' - 10);
+						continue;
+					}
+					if (nc >= 'A' && nc <= 'F') {
+						ec |= nc - ('A' - 10);
+						continue;
+					}
+					return -EINVAL;
 				}
+				*op++ = ec & 0xFF;
+				*op++ = ec >> 8;
+				ip += 5;
+				i += 5;
+			} else {
+				charlen = nls->char2uni(ip, len - i,
+									(wchar_t *)op);
+				if (charlen < 0)
+					return -EINVAL;
+				ip += charlen;
+				i += charlen;
+				op += 2;
 			}
-			if (i < len)
-				return -ENAMETOOLONG;
-		} else {
-			for (i = 0, ip = name, op = outname, *outlen = 0;
-			     i < len && *outlen <= FAT_LFN_LEN;
-			     i++, *outlen += 1)
-			{
-				*op++ = *ip++;
-				*op++ = 0;
-			}
-			if (i < len)
-				return -ENAMETOOLONG;
 		}
+		if (i < len)
+			return -ENAMETOOLONG;
 	}
 
 	*longlen = *outlen;