diff options
| author | Martin K. Petersen <martin.petersen@oracle.com> | 2010-09-10 01:20:27 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-10-28 21:51:39 -0700 |
| commit | 30756523ef2f21b917c7e85d2361f25488874c40 (patch) | |
| tree | c32fd84d939138afeaf90a6be6cdf935f9698923 /drivers | |
| parent | 3899bc97ac29d0e81af688574b2f39197d3d655a (diff) | |
Fix VPD inquiry page wrapper
commit 16d3ea26f82271fef9b1c4523b5e1ea31fa39eec upstream.
Fix two bugs in the VPD page wrapper:
- Don't return failure if the user asked for page 0
- The end of buffer check failed to account for the page header size
and consequently didn't work
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/scsi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index ad0ed212db4..348fba0a897 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -1046,13 +1046,13 @@ int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf, /* If the user actually wanted this page, we can skip the rest */ if (page == 0) - return -EINVAL; + return 0; for (i = 0; i < min((int)buf[3], buf_len - 4); i++) if (buf[i + 4] == page) goto found; - if (i < buf[3] && i > buf_len) + if (i < buf[3] && i >= buf_len - 4) /* ran off the end of the buffer, give us benefit of doubt */ goto found; /* The device claims it doesn't support the requested page */ |