diff options
| -rw-r--r-- | fs/ext4/ext4_common.c | 14 | ||||
| -rw-r--r-- | fs/ext4/ext4_journal.c | 3 | ||||
| -rw-r--r-- | fs/ext4/ext4fs.c | 3 |
3 files changed, 11 insertions, 9 deletions
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c index 323875f..f12b805 100644 --- a/fs/ext4/ext4_common.c +++ b/fs/ext4/ext4_common.c @@ -378,7 +378,6 @@ void ext4fs_update_parent_dentry(char *filename, int *p_ino, int file_type) struct ext_filesystem *fs = get_fs(); /* directory entry */ struct ext2_dirent *dir; - char *ptr = NULL; char *temp_dir = NULL; zero_buffer = zalloc(fs->blksz); @@ -415,7 +414,6 @@ restart: if (ext4fs_log_journal(root_first_block_buffer, first_block_no_of_root)) goto fail; dir = (struct ext2_dirent *)root_first_block_buffer; - ptr = (char *)dir; totalbytes = 0; while (dir->direntlen > 0) { /* @@ -483,14 +481,12 @@ restart: break; dir = (struct ext2_dirent *)((char *)dir + templength); - ptr = (char *)dir; } /* make a pointer ready for creating next directory entry */ templength = dir->direntlen; totalbytes = totalbytes + templength; dir = (struct ext2_dirent *)((char *)dir + templength); - ptr = (char *)dir; /* get the next available inode number */ inodeno = ext4fs_get_new_inode_no(); @@ -1200,6 +1196,11 @@ static void alloc_double_indirect_block(struct ext2_inode *file_inode, status = ext4fs_devread(di_blockno_parent * fs->sect_perblk, 0, fs->blksz, (char *)di_parent_buffer); + + if (!status) { + printf("%s: Device read error!\n", __func__); + goto fail; + } memset(di_parent_buffer, '\0', fs->blksz); /* @@ -1227,6 +1228,11 @@ static void alloc_double_indirect_block(struct ext2_inode *file_inode, fs->sect_perblk, 0, fs->blksz, (char *)di_child_buff); + + if (!status) { + printf("%s: Device read error!\n", __func__); + goto fail; + } memset(di_child_buff, '\0', fs->blksz); /* filling of actual datablocks for each child */ for (j = 0; j < (fs->blksz / sizeof(int)); j++) { diff --git a/fs/ext4/ext4_journal.c b/fs/ext4/ext4_journal.c index 8a252d6..9f01708 100644 --- a/fs/ext4/ext4_journal.c +++ b/fs/ext4/ext4_journal.c @@ -410,7 +410,7 @@ int ext4fs_check_journal_state(int recovery_flag) int transaction_state = TRANSACTION_COMPLETE; int prev_desc_logical_no = 0; int curr_desc_logical_no = 0; - int ofs, flags, block; + int ofs, flags; struct ext2_inode inode_journal; struct journal_superblock_t *jsb = NULL; struct journal_header_t *jdb = NULL; @@ -453,7 +453,6 @@ int ext4fs_check_journal_state(int recovery_flag) i = be32_to_cpu(jsb->s_first); while (1) { - block = be32_to_cpu(jsb->s_first); blknr = read_allocated_block(&inode_journal, i); memset(temp_buff1, '\0', fs->blksz); ext4fs_devread(blknr * fs->sect_perblk, diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c index 80b3b90..64d8a6d 100644 --- a/fs/ext4/ext4fs.c +++ b/fs/ext4/ext4fs.c @@ -931,7 +931,6 @@ static int ext4fs_write_file(struct ext2_inode *file_inode, int previous_block_number = -1; int delayed_start = 0; int delayed_extent = 0; - int delayed_skipfirst = 0; int delayed_next = 0; char *delayed_buf = NULL; @@ -964,7 +963,6 @@ static int ext4fs_write_file(struct ext2_inode *file_inode, previous_block_number = blknr; delayed_start = blknr; delayed_extent = blockend; - delayed_skipfirst = skipfirst; delayed_buf = buf; delayed_next = blknr + (blockend >> SECTOR_BITS); @@ -973,7 +971,6 @@ static int ext4fs_write_file(struct ext2_inode *file_inode, previous_block_number = blknr; delayed_start = blknr; delayed_extent = blockend; - delayed_skipfirst = skipfirst; delayed_buf = buf; delayed_next = blknr + (blockend >> SECTOR_BITS); |