diff options
Diffstat (limited to 'drivers/ide/ide-taskfile.c')
| -rw-r--r-- | drivers/ide/ide-taskfile.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index ace8edad6e96..7ec18fa3b5ff 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -528,9 +528,8 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) // printk("IDE Taskfile ...\n"); - req_task = kmalloc(tasksize, GFP_KERNEL); + req_task = kzalloc(tasksize, GFP_KERNEL); if (req_task == NULL) return -ENOMEM; - memset(req_task, 0, tasksize); if (copy_from_user(req_task, buf, tasksize)) { kfree(req_task); return -EFAULT; @@ -541,12 +540,11 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) if (taskout) { int outtotal = tasksize; - outbuf = kmalloc(taskout, GFP_KERNEL); + outbuf = kzalloc(taskout, GFP_KERNEL); if (outbuf == NULL) { err = -ENOMEM; goto abort; } - memset(outbuf, 0, taskout); if (copy_from_user(outbuf, buf + outtotal, taskout)) { err = -EFAULT; goto abort; @@ -555,12 +553,11 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) if (taskin) { int intotal = tasksize + taskout; - inbuf = kmalloc(taskin, GFP_KERNEL); + inbuf = kzalloc(taskin, GFP_KERNEL); if (inbuf == NULL) { err = -ENOMEM; goto abort; } - memset(inbuf, 0, taskin); if (copy_from_user(inbuf, buf + intotal, taskin)) { err = -EFAULT; goto abort; @@ -649,10 +646,8 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) } abort: kfree(req_task); - if (outbuf != NULL) - kfree(outbuf); - if (inbuf != NULL) - kfree(inbuf); + kfree(outbuf); + kfree(inbuf); // printk("IDE Taskfile ioctl ended. rc = %i\n", err); @@ -709,10 +704,9 @@ int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) if (args[3]) { argsize = 4 + (SECTOR_WORDS * 4 * args[3]); - argbuf = kmalloc(argsize, GFP_KERNEL); + argbuf = kzalloc(argsize, GFP_KERNEL); if (argbuf == NULL) return -ENOMEM; - memcpy(argbuf, args, 4); } if (set_transfer(drive, &tfargs)) { xfer_rate = args[1]; |