tree 5506bb95c40532666552eef52566436d0551bed9
parent c9d297c543f379a27a34082070ed03a8ef846fc2
author James Bottomley <[EMAIL PROTECTED]> Tue, 09 Aug 2005 21:55:36 -0500
committer James Bottomley <[EMAIL PROTECTED](none)> Sun, 28 Aug 2005 21:34:12
-0500
[SCSI] fix sense buffer length handling problem
The new bio code was incorrectly converted from stack allocated to
kmalloc'd buffer handling. There are two places where it incorrectly
uses sizeof(*sense) to get the size of the sense buffer. This
actually produces one, so no sense data was ever getting back, causing
failure in things like disk spin up.
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
drivers/scsi/scsi_lib.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -342,12 +342,12 @@ int scsi_execute_req(struct scsi_device
sense = kmalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
if (!sense)
return DRIVER_ERROR << 24;
- memset(sense, 0, sizeof(*sense));
+ memset(sense, 0, SCSI_SENSE_BUFFERSIZE);
}
result = scsi_execute(sdev, cmd, data_direction, buffer, bufflen,
sense, timeout, retries, 0);
if (sshdr)
- scsi_normalize_sense(sense, sizeof(*sense), sshdr);
+ scsi_normalize_sense(sense, SCSI_SENSE_BUFFERSIZE, sshdr);
kfree(sense);
return result;
-
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