Current user_buffer check is incorrect and causes hdparm to fail
# hdparm -I /dev/rssda
HDIO_DRIVE_CMD(identify) failed: Input/output error
/dev/rssda:
Patching linux-3.6-rc5 hdparm works as expected
# hdparm -I /dev/rssda
/dev/rssda:
ATA device, with non-removable media
Model Number: DELL_P320h-MTFDGAL350SAH
Serial Number: 00000000121302025F01
Firmware Revision: B1442808
<snip>
Reported-by: Tomas Henzl <the...@redhat.com>
Signed-off-by: David Milburn <dmilb...@redhat.com>
---
drivers/block/mtip32xx/mtip32xx.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/block/mtip32xx/mtip32xx.c
b/drivers/block/mtip32xx/mtip32xx.c
index a8fddeb..b24efe3 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -1900,7 +1900,7 @@ static int exec_drive_command(struct mtip_port *port, u8
*command,
int rv = 0, xfer_sz = command[3];
if (xfer_sz) {
- if (user_buffer)
+ if (!user_buffer)
return -EFAULT;
buf = dmam_alloc_coherent(&port->dd->pdev->dev,
--
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