[SCSI] sr: fix error code check in sr_block_ioctl()

sr_block_ioctl() should proceed to SCSI ioctls if cdrom_ioctl()
returns -ENOSYS.  However it tested for ENOSYS instead of -ENOSYS
rendering all SCSI ioctls other than GET_IDLUN and GET_BUS_NUMBER
inaccessible.  Fix it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index fae6e95..89e9b36 100644 (file)
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -468,7 +468,7 @@ static int sr_block_ioctl(struct inode *inode, struct file *file, unsigned cmd,
        }
 
        ret = cdrom_ioctl(file, &cd->cdi, inode, cmd, arg);
-       if (ret != ENOSYS)
+       if (ret != -ENOSYS)
                return ret;
 
        /*