rgw: Error check on return of read_line() #17880
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** 1406089 Unused value CID 1406089 (ceph#1 of 1): Unused value (UNUSED_VALUE) returned_value: Assigning value from this->read_line (bl, chunk_size, reached_boundary, done) to r here, but that stored value is overwritten before it can be used. Signed-off-by: Amit Kumar <amitkuma@redhat.com>
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Fixes the coverity issue:
** 1406089 Unused value
Signed-off-by: Amit Kumar amitkuma@redhat.com