Messages in this thread | | | Date | Tue, 24 Nov 2020 11:52:32 +0000 | From | Christoph Hellwig <> | Subject | Re: [PATCH 2/2] xfs: remove the extra processing of zero size in xfs_idata_realloc() |
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On Tue, Nov 24, 2020 at 06:45:31PM +0800, Zhen Lei wrote: > krealloc() does the free operation when the parameter new_size is 0, with > ZERO_SIZE_PTR returned. Because all other places use NULL to check whether > if_data is available or not, so covert it from ZERO_SIZE_PTR to NULL.
This new code looks much harder to read than the version it replaced.
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