forked from Minki/linux
staging: vme_user: refactor llseek to switch(){}
This makes vme_user_llseek ignore all minors that don't have llseek implementation. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -430,15 +430,17 @@ static loff_t vme_user_llseek(struct file *file, loff_t off, int whence)
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size_t image_size;
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loff_t res;
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if (minor == CONTROL_MINOR)
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return -EINVAL;
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switch (type[minor]) {
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case MASTER_MINOR:
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case SLAVE_MINOR:
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mutex_lock(&image[minor].mutex);
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image_size = vme_get_size(image[minor].resource);
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res = fixed_size_llseek(file, off, whence, image_size);
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mutex_unlock(&image[minor].mutex);
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return res;
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}
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mutex_lock(&image[minor].mutex);
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image_size = vme_get_size(image[minor].resource);
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res = fixed_size_llseek(file, off, whence, image_size);
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mutex_unlock(&image[minor].mutex);
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return res;
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return -EINVAL;
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}
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/*
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