Thanks to point the that,I will fix it. ext4: fix the ext4_read_inline_dir return value In ext4_read_inlne_dir,the return value is the return of ext4_read_inline_data len.But in no inline_data case, the return value is 0,it's inconsistent.So fix the return value of ext4_read_inline_dir. Signed-off-by: BoxiLiu <lewis.liulei@xxxxxxxxxx> --- fs/ext4/inline.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index d9ecbf1..c3efb65 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1442,6 +1442,7 @@ int ext4_read_inline_dir(struct file *file, if (ret < 0) goto out; + ret = 0; sb = inode->i_sb; parent_ino = le32_to_cpu(((struct ext4_dir_entry_2 *)dir_buf)->inode); offset = ctx->pos; -- 2013/9/18 Jan Kara <jack@xxxxxxx>: > On Tue 17-09-13 23:08:51, Boxi Liu wrote: >> hi, >> there may be a bug in ext4_read_inline_dir() function with inline_data feature. >> when I recursion call a sys_old_readdir to read a direntry's >> sub_dentry,I find that the ext4_read_inline_dir return the len of the >> inline_data ,but in the no inline_data case,it will return 0.It is >> inconsistent. >> So I try to make a patch to fix it. > The patch is fine, thanks for finding the bug. But please read > Documentation/SubmittingPatches about how your patch should be formatted. > In particular your patch has damaged whitespace (tabs converted to spaces). > Gmail does this - you have to send the patch as an attachment to avoid this > when using gmail. Also your patch misses Signed-off-by line. > > Honza >> >> diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c >> index d9ecbf1..3ea39cd 100644 >> --- a/fs/ext4/inline.c >> +++ b/fs/ext4/inline.c >> @@ -1441,7 +1441,7 @@ int ext4_read_inline_dir(struct file *file, >> up_read(&EXT4_I(inode)->xattr_sem); >> if (ret < 0) >> goto out; >> - >> + ret = 0; >> sb = inode->i_sb; >> parent_ino = le32_to_cpu(((struct ext4_dir_entry_2 *)dir_buf)->inode); >> offset = ctx->pos; >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-ext4" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- > Jan Kara <jack@xxxxxxx> > SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html