[S390] missing check in dasd_eer_open.
Check the return value of kzalloc in dasd_eer_open. Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -521,6 +521,8 @@ static int dasd_eer_open(struct inode *inp, struct file *filp)
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unsigned long flags;
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eerb = kzalloc(sizeof(struct eerbuffer), GFP_KERNEL);
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if (!eerb)
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return -ENOMEM;
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eerb->buffer_page_count = eer_pages;
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if (eerb->buffer_page_count < 1 ||
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eerb->buffer_page_count > INT_MAX / PAGE_SIZE) {
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