Re: [PATCH v3] ext4: missing !bh check in ext4_xattr_inode_write()

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On Fri, Nov 09, 2018 at 08:49:48AM +0300, Vasily Averin wrote:
> According to Ted Ts'o ext4_getblk() called in ext4_xattr_inode_write()
> should not return bh = NULL
> 
> The only time that bh could be NULL, then, would be in the case of
> something really going wrong; a programming error elsewhere (perhaps a
> wild pointer dereference) or I/O error causing on-disk file system
> corruption (although that would be highly unlikely given that we had
> *just* allocated the blocks and so the metadata blocks in question
> probably would still be in the cache).
> 
> Fixes e50e5129f384 ("ext4: xattr-in-inode support")
> Cc: stable@xxxxxxxxxx # 4.13
> 
> Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>

Thanks, applied.

						- Ted



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