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f5d8a5fe77
sprintf() (still used in the MMC core for the sysfs output) is vulnerable to the buffer overflow. Use the new-fangled sysfs_emit() instead. Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool. Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/717729b2-d65b-c72e-9fac-471d28d00b5a@omp.ru Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* linux/drivers/mmc/core/bus.h
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*
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* Copyright (C) 2003 Russell King, All Rights Reserved.
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* Copyright 2007 Pierre Ossman
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*/
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#ifndef _MMC_CORE_BUS_H
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#define _MMC_CORE_BUS_H
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#include <linux/device.h>
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#include <linux/sysfs.h>
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struct mmc_host;
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struct mmc_card;
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#define MMC_DEV_ATTR(name, fmt, args...) \
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static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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struct mmc_card *card = mmc_dev_to_card(dev); \
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return sysfs_emit(buf, fmt, args); \
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} \
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static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL)
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struct mmc_card *mmc_alloc_card(struct mmc_host *host,
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struct device_type *type);
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int mmc_add_card(struct mmc_card *card);
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void mmc_remove_card(struct mmc_card *card);
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int mmc_register_bus(void);
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void mmc_unregister_bus(void);
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struct mmc_driver {
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struct device_driver drv;
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int (*probe)(struct mmc_card *card);
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void (*remove)(struct mmc_card *card);
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void (*shutdown)(struct mmc_card *card);
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};
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int mmc_register_driver(struct mmc_driver *drv);
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void mmc_unregister_driver(struct mmc_driver *drv);
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#endif
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