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drm: fixup some of the ioctl function exit paths
Signed-off-by: Dave Airlie <airlied@linux.ie>
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parent
19a8f59ab8
commit
9d5b3ffc42
1 changed files with 7 additions and 5 deletions
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@ -495,23 +495,25 @@ int drm_ioctl(struct inode *inode, struct file *filp,
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} else {
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if (cmd & (IOC_IN | IOC_OUT)) {
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kdata = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL);
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if (!kdata)
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return -ENOMEM;
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if (!kdata) {
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retcode = -ENOMEM;
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goto err_i1;
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}
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}
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if (cmd & IOC_IN) {
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if (copy_from_user(kdata, (void __user *)arg,
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_IOC_SIZE(cmd)) != 0) {
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retcode = -EACCES;
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retcode = -EFAULT;
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goto err_i1;
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}
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}
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retcode = func(dev, kdata, file_priv);
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if (cmd & IOC_OUT) {
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if ((retcode == 0) && (cmd & IOC_OUT)) {
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if (copy_to_user((void __user *)arg, kdata,
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_IOC_SIZE(cmd)) != 0)
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retcode = -EACCES;
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retcode = -EFAULT;
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}
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}
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