[PATCH 05/13] drivers/block/floppy.c: remove [_]COPYIN [_]COPYOUT and ECALL macros

From: Joe Perches
Date: Wed Dec 02 2009 - 01:08:33 EST


Remove these obfuscating macros with hidden returns

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
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 4a17eae..9582e4e 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -1040,7 +1040,6 @@ static DECLARE_WAIT_QUEUE_HEAD(command_done);
#define NO_SIGNAL (!interruptible || !signal_pending(current))

#define CALL(x) do { if ((x) == -EINTR) return -EINTR; } while (0)
-#define ECALL(x) do { if ((ret = (x))) return ret; } while (0)
#define _WAIT(x, i) CALL(ret = wait_til_done((x), i))
#define WAIT(x) _WAIT((x), interruptible)
#define IWAIT(x) _WAIT((x), 1)
@@ -3589,14 +3588,6 @@ 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;
@@ -3673,7 +3664,9 @@ 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 &&
@@ -3722,7 +3715,9 @@ 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);
--
1.6.6.rc0.57.gad7a

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