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authorChristoph Hellwig <hch@lst.de>2022-03-15 08:13:04 +0100
committerChristoph Hellwig <hch@lst.de>2022-03-15 10:36:47 +0100
commitda7837339641601f202f27515771dc0646083938 (patch)
tree724f0875ea43932bccf4af57eecdaeec50bd6e8d /drivers/watchdog
parent98152eb70fffad910ee7c511b110afe98f162fc5 (diff)
downloadlwn-da7837339641601f202f27515771dc0646083938.tar.gz
lwn-da7837339641601f202f27515771dc0646083938.zip
nvmet: move the call to nvmet_ns_changed out of nvmet_ns_revalidate
nvmet_ns_changed states via lockdep that the ns->subsys->lock must be held. The only caller of nvmet_ns_changed which does not acquire that lock is nvmet_ns_revalidate. nvmet_ns_revalidate has 3 callers, of which 2 do not acquire that lock: nvmet_execute_identify_cns_cs_ns and nvmet_execute_identify_ns. The other caller nvmet_ns_revalidate_size_store does acquire the lock. Move the call to nvmet_ns_changed from nvmet_ns_revalidate to the callers so that they can perform the correct locking as needed. This issue was found using a static type-based analyser and manually verified. Reported-by: Niels Dossche <dossche.niels@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Diffstat (limited to 'drivers/watchdog')
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