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sumit.saxena@broadcom.com, Ranjan Kumar , Sreekanth Reddy Subject: [PATCH 2/6] mpi3mr: Driver unload crash host when enhanced logging is enabled Date: Tue, 28 Feb 2023 06:08:31 -0800 Message-Id: <20230228140835.4075-3-ranjan.kumar@broadcom.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230228140835.4075-1-ranjan.kumar@broadcom.com> References: <20230228140835.4075-1-ranjan.kumar@broadcom.com> MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000012a15105f5c323c5" Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org --00000000000012a15105f5c323c5 Content-Transfer-Encoding: 8bit Driver was trying to access null pointer in a debug print while removing a device during driver unload Signed-off-by: Ranjan Kumar Signed-off-by: Sreekanth Reddy --- drivers/scsi/mpi3mr/mpi3mr_transport.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr_transport.c b/drivers/scsi/mpi3mr/mpi3mr_transport.c index 3fc897336b5e..584daf8a3ac9 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_transport.c +++ b/drivers/scsi/mpi3mr/mpi3mr_transport.c @@ -1552,7 +1552,8 @@ static void mpi3mr_sas_port_remove(struct mpi3mr_ioc *mrioc, u64 sas_address, list_for_each_entry_safe(mr_sas_phy, next_phy, &mr_sas_port->phy_list, port_siblings) { - if ((mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO)) + if ((!mrioc->stop_drv_processing) && + (mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO)) dev_info(&mr_sas_port->port->dev, "remove: sas_address(0x%016llx), phy(%d)\n", (unsigned long long) -- 2.31.1 --00000000000012a15105f5c323c5 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQbQYJKoZIhvcNAQcCoIIQXjCCEFoCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg 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