diff options
| -rw-r--r-- | drivers/block/ataflop.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index 3aa68a5447d6..69c58ee7b2b6 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -1361,7 +1361,7 @@ static int floppy_revalidate(struct gendisk *disk) formats, for 'permanent user-defined' parameter: restore default_params[] here if flagged valid! */ if (default_params[drive].blocks == 0) - UDT = 0; + UDT = NULL; else UDT = &default_params[drive]; } @@ -1495,6 +1495,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp, struct floppy_struct getprm; int settype; struct floppy_struct setprm; + void __user *argp = (void __user *)param; switch (cmd) { case FDGETPRM: @@ -1521,7 +1522,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp, getprm.head = 2; getprm.track = dtp->blocks/dtp->spt/2; getprm.stretch = dtp->stretch; - if (copy_to_user((void *)param, &getprm, sizeof(getprm))) + if (copy_to_user(argp, &getprm, sizeof(getprm))) return -EFAULT; return 0; } @@ -1540,7 +1541,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp, /* get the parameters from user space */ if (floppy->ref != 1 && floppy->ref != -1) return -EBUSY; - if (copy_from_user(&setprm, (void *) param, sizeof(setprm))) + if (copy_from_user(&setprm, argp, sizeof(setprm))) return -EFAULT; /* * first of all: check for floppy change and revalidate, @@ -1647,7 +1648,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp, case FDFMTTRK: if (floppy->ref != 1 && floppy->ref != -1) return -EBUSY; - if (copy_from_user(&fmt_desc, (void *) param, sizeof(fmt_desc))) + if (copy_from_user(&fmt_desc, argp, sizeof(fmt_desc))) return -EFAULT; return do_format(drive, type, &fmt_desc); case FDCLRPRM: |