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Commit f45a43d8 authored by Stefan Weinhuber's avatar Stefan Weinhuber Committed by Martin Schwidefsky
Browse files

[S390] missing check in dasd_eer_open. 



Check the return value of kzalloc in dasd_eer_open.

Signed-off-by: default avatarStefan Weinhuber <wein@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 132fab13

drivers/s390/block/dasd_eer.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -521,6 +521,8 @@ static int dasd_eer_open(struct inode *inp, struct file *filp) 
	unsigned long flags;

	unsigned long flags;





	eerb = kzalloc(sizeof(struct eerbuffer), GFP_KERNEL);

	eerb = kzalloc(sizeof(struct eerbuffer), GFP_KERNEL);

	if (!eerb)

		return -ENOMEM;

	eerb->buffer_page_count = eer_pages;

	eerb->buffer_page_count = eer_pages;

	if (eerb->buffer_page_count < 1 ||

	if (eerb->buffer_page_count < 1 ||

	    eerb->buffer_page_count > INT_MAX / PAGE_SIZE) {

	    eerb->buffer_page_count > INT_MAX / PAGE_SIZE) {