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authorTom Rix <trix@redhat.com>2021-04-30 08:50:31 -0700
committerDavid Howells <dhowells@redhat.com>2021-07-21 15:10:23 +0100
commitafe6949862f77bcc14fa16ad7938a04e84586d6a (patch)
treeae592adeb8855f9ae68c146733898d85d91c2308 /kernel/bpf/offload.c
parent6c881ca0b3040f3e724eae513117ba4ddef86057 (diff)
downloadlinux-afe6949862f77bcc14fa16ad7938a04e84586d6a.tar.gz
afs: check function return
Static analysis reports this problem write.c:773:29: warning: Assigned value is garbage or undefined mapping->writeback_index = next; ^ ~~~~ The call to afs_writepages_region() can return without setting next. So check the function return before using next. Changes: ver #2: - Need to fix the range_cyclic case also[1]. Fixes: e87b03f5830e ("afs: Prepare for use of THPs") Signed-off-by: Tom Rix <trix@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org Link: https://lore.kernel.org/r/20210430155031.3287870-1-trix@redhat.com Link: https://lore.kernel.org/r/CAB9dFdvHsLsw7CMnB+4cgciWDSqVjuij4mH3TaXnHQB8sz5rHw@mail.gmail.com/ [1] Link: https://lore.kernel.org/r/162609464716.3133237.10354897554363093252.stgit@warthog.procyon.org.uk/ # v1 Link: https://lore.kernel.org/r/162610727640.3408253.8687445613469681311.stgit@warthog.procyon.org.uk/ # v2
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