bgpd: Fix DEREF_OF_NULL.EX.COND in bgp_updgrp_packet (backport #19126) #19146
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Found by the static analyzer Svace (ISP RAS): DEREF_OF_NULL.EX.COND. After having been assigned to a NULL value at bgp_updgrp_packet.c:717, pointer 'from' is passed as 9th parameter in call to function 'bgp_packet_attribute' at bgp_updgrp_packet.c:746, where it is dereferenced at bgp_attr.c:4638. Signed-off-by: Petr Vaganov <petrvaganoff@gmail.com> (cherry picked from commit 77ff654)
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Found by the static analyzer Svace (ISP RAS): DEREF_OF_NULL.EX.COND. After having been assigned to a NULL value at bgp_updgrp_packet.c:717, pointer 'from' is passed as 9th parameter in call to function 'bgp_packet_attribute' at bgp_updgrp_packet.c:746, where it is dereferenced at bgp_attr.c:4638.
This is an automatic backport of pull request #19126 done by Mergify.