scsi: aacraid: report -ENOMEM to upper layer from aac_convert_sgraw2()
authorNikola Pajkovsky <npajkovsky@suse.cz>
Tue, 29 Aug 2017 11:59:04 +0000 (13:59 +0200)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 31 Aug 2017 02:02:23 +0000 (22:02 -0400)
aac_convert_sgraw2() kmalloc memory and return -1 on error, which should
be -ENOMEM. However, nobody is checking return value, so with this
change, -ENOMEM is propagated to upper layer.

Signed-off-by: Nikola Pajkovsky <npajkovsky@suse.cz>
Reviewed-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/aacraid/aachba.c

index 1943a48..a6619b8 100644 (file)
@@ -3950,8 +3950,12 @@ static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
                        if (!err_found)
                                break;
                }
-               if (i > 0 && nseg_new <= sg_max)
-                       aac_convert_sgraw2(rio2, i, nseg, nseg_new);
+               if (i > 0 && nseg_new <= sg_max) {
+                       int ret = aac_convert_sgraw2(rio2, i, nseg, nseg_new);
+
+                       if (ret < 0)
+                               return ret;
+               }
        } else
                rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
 
@@ -3975,7 +3979,7 @@ static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int
 
        sge = kmalloc(nseg_new * sizeof(struct sge_ieee1212), GFP_ATOMIC);
        if (sge == NULL)
-               return -1;
+               return -ENOMEM;
 
        for (i = 1, pos = 1; i < nseg-1; ++i) {
                for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {