memory/patcher: fix coverity warning #1556
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Fix CID 1358512: Error handling issues (NEGATIVE_RETURNS): C libraries usually handle read (-1, ...) fine but it is safer to avoid calling read with a negative handle. Added negative file descriptor check. Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
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Fix CID 1358512: Error handling issues (NEGATIVE_RETURNS):
C libraries usually handle read (-1, ...) fine but it is safer to
avoid calling read with a negative handle. Added negative file
descriptor check.
Signed-off-by: Nathan Hjelm hjelmn@lanl.gov