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0697f206df
This patch prevents: - ums disk capacity miscalculation because of integer overflow Changes v2: - Prevents passing zero size disk capacity to ums gadget driver - Change function ums_get_capacity() to ums_disk_init() and do ums disk initialization before gadget init - Remove unnecessary code from mass storage driver Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Marek Vasut <marex@denx.de>
50 lines
1017 B
C
50 lines
1017 B
C
/*
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* Copyright (C) 2011 Samsung Electrnoics
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* Lukasz Majewski <l.majewski@samsung.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __USB_MASS_STORAGE_H__
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#define __USB_MASS_STORAGE_H__
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#define SECTOR_SIZE 0x200
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#include <mmc.h>
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#include <linux/usb/composite.h>
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#ifndef UMS_START_SECTOR
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#define UMS_START_SECTOR 0
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#endif
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#ifndef UMS_NUM_SECTORS
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#define UMS_NUM_SECTORS 0
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#endif
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struct ums {
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int (*read_sector)(struct ums *ums_dev,
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ulong start, lbaint_t blkcnt, void *buf);
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int (*write_sector)(struct ums *ums_dev,
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ulong start, lbaint_t blkcnt, const void *buf);
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unsigned int start_sector;
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unsigned int num_sectors;
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const char *name;
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struct mmc *mmc;
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};
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extern struct ums *ums;
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int fsg_init(struct ums *);
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void fsg_cleanup(void);
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struct ums *ums_init(unsigned int);
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int fsg_main_thread(void *);
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#ifdef CONFIG_USB_GADGET_MASS_STORAGE
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int fsg_add(struct usb_configuration *c);
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#else
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int fsg_add(struct usb_configuration *c)
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{
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return 0;
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}
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#endif
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#endif /* __USB_MASS_STORAGE_H__ */
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