Revision a7654211d0ffeaa8eb0545ea00f8445242cbce05 authored by Tang Bin on 20 May 2020, 09:55:32 UTC, committed by David S. Miller on 22 May 2020, 00:26:54 UTC
In the function devm_platform_ioremap_resource(), if get resource failed, the return value is ERR_PTR() not NULL. Thus it must be replaced by IS_ERR(), or else it may result in crashes if a critical error path is encountered. Fixes: 0ce5ebd24d25 ("mfd: ioc3: Add driver for SGI IOC3 chip") Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent 41b4bd9
do_mounts.h
/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/kernel.h>
#include <linux/blkdev.h>
#include <linux/init.h>
#include <linux/syscalls.h>
#include <linux/unistd.h>
#include <linux/slab.h>
#include <linux/mount.h>
#include <linux/major.h>
#include <linux/root_dev.h>
void change_floppy(char *fmt, ...);
void mount_block_root(char *name, int flags);
void mount_root(void);
extern int root_mountflags;
static inline int create_dev(char *name, dev_t dev)
{
ksys_unlink(name);
return ksys_mknod(name, S_IFBLK|0600, new_encode_dev(dev));
}
static inline u32 bstat(char *name)
{
struct kstat stat;
if (vfs_stat(name, &stat) != 0)
return 0;
if (!S_ISBLK(stat.mode))
return 0;
return stat.rdev;
}
#ifdef CONFIG_BLK_DEV_RAM
int __init rd_load_disk(int n);
int __init rd_load_image(char *from);
#else
static inline int rd_load_disk(int n) { return 0; }
static inline int rd_load_image(char *from) { return 0; }
#endif
#ifdef CONFIG_BLK_DEV_INITRD
bool __init initrd_load(void);
#else
static inline bool initrd_load(void) { return false; }
#endif
#ifdef CONFIG_BLK_DEV_MD
void md_run_setup(void);
#else
static inline void md_run_setup(void) {}
#endif
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