5.15-stable review patch. If anyone has any objections, please let me know.
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From: Hannes Reinecke hare@kernel.org
commit 26d7fb4fd4ca1180e2fa96587dea544563b4962a upstream.
Commit 62baf70c3274 caused the ANA log page to be re-read, even on controllers that do not support ANA. While this should generally harmless, some controllers hang on the unsupported log page and never finish probing.
Fixes: 62baf70c3274 ("nvme: re-read ANA log page after ns scan completes") Signed-off-by: Hannes Reinecke hare@kernel.org Tested-by: Srikanth Aithal sraithal@amd.com [hch: more detailed commit message] Signed-off-by: Christoph Hellwig hch@lst.de Reviewed-by: Sagi Grimberg sagi@grimberg.me Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/nvme/host/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4226,7 +4226,7 @@ static void nvme_scan_work(struct work_s if (test_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events)) nvme_queue_scan(ctrl); #ifdef CONFIG_NVME_MULTIPATH - else + else if (ctrl->ana_log_buf) /* Re-read the ANA log page to not miss updates */ queue_work(nvme_wq, &ctrl->ana_work); #endif