Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754591AbaKKLPp (ORCPT ); Tue, 11 Nov 2014 06:15:45 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:57919 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754527AbaKKLLf (ORCPT ); Tue, 11 Nov 2014 06:11:35 -0500 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: "Theodore Ts'o" , Luis Henriques Subject: [PATCH 3.16.y-ckt 161/170] ext4: convert do_split() to use the ERR_PTR convention Date: Tue, 11 Nov 2014 11:08:40 +0000 Message-Id: <1415704129-12709-162-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1415704129-12709-1-git-send-email-luis.henriques@canonical.com> References: <1415704129-12709-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.16 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.16.7-ckt1 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Theodore Ts'o commit f8b3b59d4d561368cf8c92d50218fc0d5be7cb46 upstream. Signed-off-by: Theodore Ts'o [ luis: backported to 3.16: useful for: 6050d47adcad "ext4: bail out from make_indexed_dir() on first error" ] Signed-off-by: Luis Henriques --- fs/ext4/namei.c | 23 +++++++++++------------ 1 file changed, 11 insertions(+), 12 deletions(-) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index b30312b06084..50d9225d9e3e 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1526,7 +1526,7 @@ static struct ext4_dir_entry_2* dx_pack_dirents(char *base, unsigned blocksize) */ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, struct buffer_head **bh,struct dx_frame *frame, - struct dx_hash_info *hinfo, int *error) + struct dx_hash_info *hinfo) { unsigned blocksize = dir->i_sb->s_blocksize; unsigned count, continued; @@ -1548,8 +1548,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, if (IS_ERR(bh2)) { brelse(*bh); *bh = NULL; - *error = PTR_ERR(bh2); - return NULL; + return (struct ext4_dir_entry_2 *) bh2; } BUFFER_TRACE(*bh, "get_write_access"); @@ -1609,8 +1608,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, dxtrace(dx_show_leaf (hinfo, (struct ext4_dir_entry_2 *) data2, blocksize, 1)); /* Which block gets the new entry? */ - if (hinfo->hash >= hash2) - { + if (hinfo->hash >= hash2) { swap(*bh, bh2); de = de2; } @@ -1630,8 +1628,7 @@ journal_error: brelse(bh2); *bh = NULL; ext4_std_error(dir->i_sb, err); - *error = err; - return NULL; + return ERR_PTR(err); } int ext4_find_dest_de(struct inode *dir, struct inode *inode, @@ -1852,8 +1849,8 @@ static int make_indexed_dir(handle_t *handle, struct dentry *dentry, ext4_handle_dirty_dx_node(handle, dir, frame->bh); ext4_handle_dirty_dirent_node(handle, dir, bh); - de = do_split(handle,dir, &bh, frame, &hinfo, &retval); - if (!de) { + de = do_split(handle,dir, &bh, frame, &hinfo); + if (IS_ERR(de)) { /* * Even if the block split failed, we have to properly write * out all the changes we did so far. Otherwise we can end up @@ -1861,7 +1858,7 @@ static int make_indexed_dir(handle_t *handle, struct dentry *dentry, */ ext4_mark_inode_dirty(handle, dir); dx_release(frames); - return retval; + return PTR_ERR(de); } dx_release(frames); @@ -2084,9 +2081,11 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry, goto cleanup; } } - de = do_split(handle, dir, &bh, frame, &hinfo, &err); - if (!de) + de = do_split(handle, dir, &bh, frame, &hinfo); + if (IS_ERR(de)) { + err = PTR_ERR(de); goto cleanup; + } err = add_dirent_to_buf(handle, dentry, inode, de, bh); goto cleanup; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/