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Date: Wed, 12 Feb 2014 11:56:51 -0500 From: Theodore Ts'o <tytso@....edu> To: Ext4 Developers List <linux-ext4@...r.kernel.org> Cc: Theodore Ts'o <tytso@....edu> Subject: [PATCH] ext4: clean up error handling in swap_inode_boot_loader() Tighten up the code to make the code easier to read and maintain. Signed-off-by: "Theodore Ts'o" <tytso@....edu> --- fs/ext4/ioctl.c | 24 ++++++------------------ 1 file changed, 6 insertions(+), 18 deletions(-) diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index a2a837f..0f2252e 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -104,21 +104,15 @@ static long swap_inode_boot_loader(struct super_block *sb, struct ext4_inode_info *ei_bl; struct ext4_sb_info *sbi = EXT4_SB(sb); - if (inode->i_nlink != 1 || !S_ISREG(inode->i_mode)) { - err = -EINVAL; - goto swap_boot_out; - } + if (inode->i_nlink != 1 || !S_ISREG(inode->i_mode)) + return -EINVAL; - if (!inode_owner_or_capable(inode) || !capable(CAP_SYS_ADMIN)) { - err = -EPERM; - goto swap_boot_out; - } + if (!inode_owner_or_capable(inode) || !capable(CAP_SYS_ADMIN)) + return -EPERM; inode_bl = ext4_iget(sb, EXT4_BOOT_LOADER_INO); - if (IS_ERR(inode_bl)) { - err = PTR_ERR(inode_bl); - goto swap_boot_out; - } + if (IS_ERR(inode_bl)) + return PTR_ERR(inode_bl); ei_bl = EXT4_I(inode_bl); filemap_flush(inode->i_mapping); @@ -193,20 +187,14 @@ static long swap_inode_boot_loader(struct super_block *sb, ext4_mark_inode_dirty(handle, inode); } } - ext4_journal_stop(handle); - ext4_double_up_write_data_sem(inode, inode_bl); journal_err_out: ext4_inode_resume_unlocked_dio(inode); ext4_inode_resume_unlocked_dio(inode_bl); - unlock_two_nondirectories(inode, inode_bl); - iput(inode_bl); - -swap_boot_out: return err; } -- 1.8.5.rc3.362.gdf10213 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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