diff options
| -rw-r--r-- | block/bsg.c | 18 | ||||
| -rw-r--r-- | block/scsi_ioctl.c | 8 | ||||
| -rw-r--r-- | drivers/scsi/sg.c | 2 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 2 |
4 files changed, 14 insertions, 16 deletions
diff --git a/block/bsg.c b/block/bsg.c index ee1335c68de7..452f94f1c5d4 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -137,7 +137,7 @@ static inline struct hlist_head *bsg_dev_idx_hash(int index) static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq, struct sg_io_v4 *hdr, struct bsg_device *bd, - fmode_t has_write_perm) + fmode_t mode) { struct scsi_request *req = scsi_req(rq); @@ -152,7 +152,7 @@ static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq, return -EFAULT; if (hdr->subprotocol == BSG_SUB_PROTOCOL_SCSI_CMD) { - if (blk_verify_command(req->cmd, has_write_perm)) + if (blk_verify_command(req->cmd, mode)) return -EPERM; } else if (!capable(CAP_SYS_RAWIO)) return -EPERM; @@ -206,7 +206,7 @@ bsg_validate_sgv4_hdr(struct sg_io_v4 *hdr, int *op) * map sg_io_v4 to a request. */ static struct request * -bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr, fmode_t has_write_perm) +bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr, fmode_t mode) { struct request_queue *q = bd->queue; struct request *rq, *next_rq = NULL; @@ -237,7 +237,7 @@ bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr, fmode_t has_write_perm) if (IS_ERR(rq)) return rq; - ret = blk_fill_sgv4_hdr_rq(q, rq, hdr, bd, has_write_perm); + ret = blk_fill_sgv4_hdr_rq(q, rq, hdr, bd, mode); if (ret) goto out; @@ -587,8 +587,7 @@ bsg_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) } static int __bsg_write(struct bsg_device *bd, const char __user *buf, - size_t count, ssize_t *bytes_written, - fmode_t has_write_perm) + size_t count, ssize_t *bytes_written, fmode_t mode) { struct bsg_command *bc; struct request *rq; @@ -619,7 +618,7 @@ static int __bsg_write(struct bsg_device *bd, const char __user *buf, /* * get a request, fill in the blanks, and add to request queue */ - rq = bsg_map_hdr(bd, &bc->hdr, has_write_perm); + rq = bsg_map_hdr(bd, &bc->hdr, mode); if (IS_ERR(rq)) { ret = PTR_ERR(rq); rq = NULL; @@ -655,8 +654,7 @@ bsg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) bsg_set_block(bd, file); bytes_written = 0; - ret = __bsg_write(bd, buf, count, &bytes_written, - file->f_mode & FMODE_WRITE); + ret = __bsg_write(bd, buf, count, &bytes_written, file->f_mode); *ppos = bytes_written; @@ -915,7 +913,7 @@ static long bsg_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (copy_from_user(&hdr, uarg, sizeof(hdr))) return -EFAULT; - rq = bsg_map_hdr(bd, &hdr, file->f_mode & FMODE_WRITE); + rq = bsg_map_hdr(bd, &hdr, file->f_mode); if (IS_ERR(rq)) return PTR_ERR(rq); diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 7440de44dd85..edcfff974527 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -207,7 +207,7 @@ static void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter) __set_bit(GPCMD_SET_READ_AHEAD, filter->write_ok); } -int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm) +int blk_verify_command(unsigned char *cmd, fmode_t mode) { struct blk_cmd_filter *filter = &blk_default_cmd_filter; @@ -220,7 +220,7 @@ int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm) return 0; /* Write-safe commands require a writable open */ - if (test_bit(cmd[0], filter->write_ok) && has_write_perm) + if (test_bit(cmd[0], filter->write_ok) && (mode & FMODE_WRITE)) return 0; return -EPERM; @@ -234,7 +234,7 @@ static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq, if (copy_from_user(req->cmd, hdr->cmdp, hdr->cmd_len)) return -EFAULT; - if (blk_verify_command(req->cmd, mode & FMODE_WRITE)) + if (blk_verify_command(req->cmd, mode)) return -EPERM; /* @@ -469,7 +469,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len)) goto error; - err = blk_verify_command(req->cmd, mode & FMODE_WRITE); + err = blk_verify_command(req->cmd, mode); if (err) goto error; diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 0419c2298eab..92fd870e1315 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -217,7 +217,7 @@ static int sg_allow_access(struct file *filp, unsigned char *cmd) if (sfp->parentdp->device->type == TYPE_SCANNER) return 0; - return blk_verify_command(cmd, filp->f_mode & FMODE_WRITE); + return blk_verify_command(cmd, filp->f_mode); } static int diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 225617dd0a3f..1437ef4d8037 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1360,7 +1360,7 @@ static inline int sb_issue_zeroout(struct super_block *sb, sector_t block, gfp_mask, 0); } -extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm); +extern int blk_verify_command(unsigned char *cmd, fmode_t mode); enum blk_default_limits { BLK_MAX_SEGMENTS = 128, |