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authorFUJITA Tomonori <tomof@acm.org>2006-12-20 11:18:54 +0100
committerJens Axboe <jens.axboe@oracle.com>2007-07-16 08:52:44 +0200
commit337ad41deae1b56e56731246322a93251df86e79 (patch)
tree961e38d42e8e7c99c4b48317e48010fa2446332e /block/scsi_ioctl.c
parent9e69fbb5373f7c081acdf2b75d7bac7e95023dd1 (diff)
downloadlinux-337ad41deae1b56e56731246322a93251df86e79.tar.gz
block: export blk_verify_command for SG v4
blk_fill_sghdr_rq doesn't work for SG v4 so verify_command needed to be exported. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/scsi_ioctl.c')
-rw-r--r--block/scsi_ioctl.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index daded70ffbb..db53b2c268d 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -112,7 +112,7 @@ static int sg_emulated_host(request_queue_t *q, int __user *p)
#define safe_for_read(cmd) [cmd] = CMD_READ_SAFE
#define safe_for_write(cmd) [cmd] = CMD_WRITE_SAFE
-static int verify_command(unsigned char *cmd, int has_write_perm)
+int blk_verify_command(unsigned char *cmd, int has_write_perm)
{
static unsigned char cmd_type[256] = {
@@ -212,6 +212,7 @@ static int verify_command(unsigned char *cmd, int has_write_perm)
/* Otherwise fail it with an "Operation not permitted" */
return -EPERM;
}
+EXPORT_SYMBOL_GPL(blk_verify_command);
int blk_fill_sghdr_rq(request_queue_t *q, struct request *rq,
struct sg_io_hdr *hdr, int has_write_perm)
@@ -220,7 +221,7 @@ int blk_fill_sghdr_rq(request_queue_t *q, struct request *rq,
if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len))
return -EFAULT;
- if (verify_command(rq->cmd, has_write_perm))
+ if (blk_verify_command(rq->cmd, has_write_perm))
return -EPERM;
/*
@@ -457,7 +458,7 @@ int sg_scsi_ioctl(struct file *file, struct request_queue *q,
if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len))
goto error;
- err = verify_command(rq->cmd, file->f_mode & FMODE_WRITE);
+ err = blk_verify_command(rq->cmd, file->f_mode & FMODE_WRITE);
if (err)
goto error;