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Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org Subject: [PATCH v1 16/19] scsi/qlogicpti: Fix dma_map_sg check Date: Fri, 19 Aug 2022 08:07:58 +0200 Message-Id: <20220819060801.10443-17-jinpu.wang@ionos.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220819060801.10443-1-jinpu.wang@ionos.com> References: <20220819060801.10443-1-jinpu.wang@ionos.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the missing error check for dma_map_sg. Cc: "James E.J. Bottomley" Cc: "Martin K. Petersen" Cc: linux-scsi@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Jack Wang --- drivers/scsi/qlogicpti.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index 57f2f4135a06..8c961ff03fcd 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -909,7 +909,8 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd, sg_count = dma_map_sg(&qpti->op->dev, sg, scsi_sg_count(Cmnd), Cmnd->sc_data_direction); - + if (!sg_count) + return -1; ds = cmd->dataseg; cmd->segment_cnt = sg_count; -- 2.34.1