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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:15:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:15:07 +0000
commit7fd92ba31ac1c688b59aa93cc03b748f920df8fe (patch)
treebaa580b97c260c790730e2525483eb1953f3c39d /drivers/scsi/scsi.c
parentAdding upstream version 4.19.269. (diff)
downloadlinux-7fd92ba31ac1c688b59aa93cc03b748f920df8fe.tar.xz
linux-7fd92ba31ac1c688b59aa93cc03b748f920df8fe.zip
Adding upstream version 4.19.282.upstream/4.19.282
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/scsi/scsi.c')
-rw-r--r--drivers/scsi/scsi.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index febe29a9b..acd118da8 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -351,11 +351,18 @@ static int scsi_vpd_inquiry(struct scsi_device *sdev, unsigned char *buffer,
if (result)
return -EIO;
- /* Sanity check that we got the page back that we asked for */
+ /*
+ * Sanity check that we got the page back that we asked for and that
+ * the page size is not 0.
+ */
if (buffer[1] != page)
return -EIO;
- return get_unaligned_be16(&buffer[2]) + 4;
+ result = get_unaligned_be16(&buffer[2]);
+ if (!result)
+ return -EIO;
+
+ return result + 4;
}
/**