aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--fs/ext4/inode.c20
1 files changed, 3 insertions, 17 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 24a2604dde7b..aa0fb985b15e 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2511,12 +2511,10 @@ out_stop:
2511static ext4_fsblk_t ext4_get_inode_block(struct super_block *sb, 2511static ext4_fsblk_t ext4_get_inode_block(struct super_block *sb,
2512 unsigned long ino, struct ext4_iloc *iloc) 2512 unsigned long ino, struct ext4_iloc *iloc)
2513{ 2513{
2514 unsigned long desc, group_desc;
2515 ext4_group_t block_group; 2514 ext4_group_t block_group;
2516 unsigned long offset; 2515 unsigned long offset;
2517 ext4_fsblk_t block; 2516 ext4_fsblk_t block;
2518 struct buffer_head *bh; 2517 struct ext4_group_desc *gdp;
2519 struct ext4_group_desc * gdp;
2520 2518
2521 if (!ext4_valid_inum(sb, ino)) { 2519 if (!ext4_valid_inum(sb, ino)) {
2522 /* 2520 /*
@@ -2528,22 +2526,10 @@ static ext4_fsblk_t ext4_get_inode_block(struct super_block *sb,
2528 } 2526 }
2529 2527
2530 block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb); 2528 block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb);
2531 if (block_group >= EXT4_SB(sb)->s_groups_count) { 2529 gdp = ext4_get_group_desc(sb, block_group, NULL);
2532 ext4_error(sb,"ext4_get_inode_block","group >= groups count"); 2530 if (!gdp)
2533 return 0; 2531 return 0;
2534 }
2535 smp_rmb();
2536 group_desc = block_group >> EXT4_DESC_PER_BLOCK_BITS(sb);
2537 desc = block_group & (EXT4_DESC_PER_BLOCK(sb) - 1);
2538 bh = EXT4_SB(sb)->s_group_desc[group_desc];
2539 if (!bh) {
2540 ext4_error (sb, "ext4_get_inode_block",
2541 "Descriptor not loaded");
2542 return 0;
2543 }
2544 2532
2545 gdp = (struct ext4_group_desc *)((__u8 *)bh->b_data +
2546 desc * EXT4_DESC_SIZE(sb));
2547 /* 2533 /*
2548 * Figure out the offset within the block group inode table 2534 * Figure out the offset within the block group inode table
2549 */ 2535 */