diff options
Diffstat (limited to 'drivers/scsi/ch.c')
| -rw-r--r-- | drivers/scsi/ch.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index 13ecd0c47404..da6e51c7fe69 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -560,7 +560,7 @@ ch_set_voltag(scsi_changer *ch, u_int elem, return result; } -static int ch_gstatus(scsi_changer *ch, int type, unsigned char *dest) +static int ch_gstatus(scsi_changer *ch, int type, unsigned char __user *dest) { int retval = 0; u_char data[16]; @@ -634,6 +634,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, { scsi_changer *ch = file->private_data; int retval; + void __user *argp = (void __user *)arg; switch (cmd) { case CHIOGPARAMS: @@ -646,7 +647,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, params.cp_nportals = ch->counts[CHET_IE]; params.cp_ndrives = ch->counts[CHET_DT]; - if (copy_to_user((void *) arg, ¶ms, sizeof(params))) + if (copy_to_user(argp, ¶ms, sizeof(params))) return -EFAULT; return 0; } @@ -671,7 +672,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, vparams.cvp_n4 = ch->counts[CHET_V4]; strncpy(vparams.cvp_label4,vendor_labels[3],16); } - if (copy_to_user((void *) arg, &vparams, sizeof(vparams))) + if (copy_to_user(argp, &vparams, sizeof(vparams))) return -EFAULT; return 0; } @@ -680,7 +681,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, { struct changer_position pos; - if (copy_from_user(&pos, (void*)arg, sizeof (pos))) + if (copy_from_user(&pos, argp, sizeof (pos))) return -EFAULT; if (0 != ch_checkrange(ch, pos.cp_type, pos.cp_unit)) { @@ -699,7 +700,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, { struct changer_move mv; - if (copy_from_user(&mv, (void*)arg, sizeof (mv))) + if (copy_from_user(&mv, argp, sizeof (mv))) return -EFAULT; if (0 != ch_checkrange(ch, mv.cm_fromtype, mv.cm_fromunit) || @@ -721,7 +722,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, { struct changer_exchange mv; - if (copy_from_user(&mv, (void*)arg, sizeof (mv))) + if (copy_from_user(&mv, argp, sizeof (mv))) return -EFAULT; if (0 != ch_checkrange(ch, mv.ce_srctype, mv.ce_srcunit ) || @@ -746,7 +747,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, { struct changer_element_status ces; - if (copy_from_user(&ces, (void*)arg, sizeof (ces))) + if (copy_from_user(&ces, argp, sizeof (ces))) return -EFAULT; if (ces.ces_type < 0 || ces.ces_type >= CH_TYPES) return -EINVAL; @@ -762,7 +763,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, unsigned int elem; int result,i; - if (copy_from_user(&cge, (void*)arg, sizeof (cge))) + if (copy_from_user(&cge, argp, sizeof (cge))) return -EFAULT; if (0 != ch_checkrange(ch, cge.cge_type, cge.cge_unit)) @@ -825,7 +826,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, kfree(buffer); up(&ch->lock); - if (copy_to_user((void*)arg, &cge, sizeof (cge))) + if (copy_to_user(argp, &cge, sizeof (cge))) return -EFAULT; return result; } @@ -843,7 +844,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, struct changer_set_voltag csv; int elem; - if (copy_from_user(&csv, (void*)arg, sizeof(csv))) + if (copy_from_user(&csv, argp, sizeof(csv))) return -EFAULT; if (0 != ch_checkrange(ch, csv.csv_type, csv.csv_unit)) { @@ -861,7 +862,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, } default: - return scsi_ioctl(ch->device, cmd, (void*)arg); + return scsi_ioctl(ch->device, cmd, argp); } } @@ -894,9 +895,9 @@ static long ch_ioctl_compat(struct file * file, case CHIOGSTATUS32: { struct changer_element_status32 ces32; - unsigned char *data; + unsigned char __user *data; - if (copy_from_user(&ces32, (void*)arg, sizeof (ces32))) + if (copy_from_user(&ces32, (void __user *)arg, sizeof (ces32))) return -EFAULT; if (ces32.ces_type < 0 || ces32.ces_type >= CH_TYPES) return -EINVAL; |