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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- #ifndef __LINUX_KMOD_H__
- #define __LINUX_KMOD_H__
- /*
- * include/linux/kmod.h
- */
- #include <linux/umh.h>
- #include <linux/gfp.h>
- #include <linux/stddef.h>
- #include <linux/errno.h>
- #include <linux/compiler.h>
- #include <linux/workqueue.h>
- #include <linux/sysctl.h>
- #define KMOD_PATH_LEN 256
- #ifdef CONFIG_MODULES
- extern char modprobe_path[]; /* for sysctl */
- /* modprobe exit status on success, -ve on error. Return value
- * usually useless though. */
- extern __printf(2, 3)
- int __request_module(bool wait, const char *name, ...);
- #define request_module(mod...) __request_module(true, mod)
- #define request_module_nowait(mod...) __request_module(false, mod)
- #define try_then_request_module(x, mod...) \
- ((x) ?: (__request_module(true, mod), (x)))
- #else
- static inline int request_module(const char *name, ...) { return -ENOSYS; }
- static inline int request_module_nowait(const char *name, ...) { return -ENOSYS; }
- #define try_then_request_module(x, mod...) (x)
- #endif
- #endif /* __LINUX_KMOD_H__ */
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