btrfs: Consolidate retval checking of core btree functions
Core btree functions in btrfs generally return 0 when an item is found, 1 in case the sought item cannot be found and <0 when an error happens. Consolidate the checks for those conditions in one 'if () {} else if () {}' construct rather than 2 separate 'if () {}' statements. This emphasizes that the handling code pertains to a single function. No functional changes. Reviewed-by:Qu Wenruo <wqu@suse.com> Reviewed-by:
Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by:
Nikolay Borisov <nborisov@suse.com> Signed-off-by:
David Sterba <dsterba@suse.com>
parent
694c12ed
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