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path: root/drivers/ide/ide-taskfile.c
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Diffstat (limited to 'drivers/ide/ide-taskfile.c')
-rw-r--r--drivers/ide/ide-taskfile.c18
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];
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