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authorAl Viro <viro@ftp.linux.org.uk>2006-01-12 01:06:29 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 09:09:03 -0800
commit2c7af51129161a7a3dc4169c984964912f1f4822 (patch)
tree4d13ffe5b34dcb9f3c65d99661bf464cefe58df7 /drivers/block/ataflop.c
parent8a423e542b4a9af45ac0106ab8275760af770793 (diff)
[PATCH] m68k: ataflop __user annotations, NULL noise removal
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/block/ataflop.c')
-rw-r--r--drivers/block/ataflop.c9
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: