diff options
| author |   Joe Perches <joe@perches.com> | 2010-03-10 15:20:56 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-12 15:52:30 -0800 |
| commit | 86b12b48a29f4795e2e550f510d39931576bdf75 (patch) | |
| tree | ed56ff595bf5fdb374311ab8bceefb0634b0be7c /drivers/block/floppy.c | |
| parent | drivers/block/floppy.c: remove most uses of CALL and ECALL macros (diff) | |
| download | linux-dev-86b12b48a29f4795e2e550f510d39931576bdf75.tar.xz linux-dev-86b12b48a29f4795e2e550f510d39931576bdf75.zip | |
drivers/block/floppy.c: remove [_]COPYIN [_]COPYOUT and ECALL macros
Remove these obfuscating macros with hidden returns
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/block/floppy.c')
| -rw-r--r-- | drivers/block/floppy.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 36cd33cbe44f..665b32f598cb 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -520,7 +520,6 @@ static DECLARE_WAIT_QUEUE_HEAD(command_done); #define NO_SIGNAL (!interruptible || !signal_pending(current)) #define CALL(x) if ((x) == -EINTR) return -EINTR -#define ECALL(x) if ((ret = (x))) return ret; #define _WAIT(x,i) CALL(ret=wait_til_done((x),i)) #define WAIT(x) _WAIT((x),interruptible) #define IWAIT(x) _WAIT((x),1) @@ -3061,14 +3060,6 @@ static inline int fd_copyin(void __user *param, void *address, return copy_from_user(address, param, size) ? -EFAULT : 0; } -#define _COPYOUT(x) (copy_to_user((void __user *)param, &(x), sizeof(x)) \ - ? -EFAULT : 0) -#define _COPYIN(x) (copy_from_user(&(x), (void __user *)param, sizeof(x)) \ - ? -EFAULT : 0) - -#define COPYOUT(x) ECALL(_COPYOUT(x)) -#define COPYIN(x) ECALL(_COPYIN(x)) - static inline const char *drive_name(int type, int drive) { struct floppy_struct *floppy; @@ -3145,7 +3136,9 @@ static inline int raw_cmd_copyout(int cmd, char __user *param, int ret; while (ptr) { - COPYOUT(*ptr); + ret = copy_to_user((void __user *)param, ptr, sizeof(*ptr)); + if (ret) + return -EFAULT; param += sizeof(struct floppy_raw_cmd); if ((ptr->flags & FD_RAW_READ) && ptr->buffer_length) { if (ptr->length >= 0 && @@ -3195,7 +3188,9 @@ static inline int raw_cmd_copyin(int cmd, char __user *param, if (!ptr) return -ENOMEM; *rcmd = ptr; - COPYIN(*ptr); + ret = copy_from_user(ptr, (void __user *)param, sizeof(*ptr)); + if (ret) + return -EFAULT; ptr->next = NULL; ptr->buffer_length = 0; param += sizeof(struct floppy_raw_cmd); |