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-rw-r--r--include/linux/kmod.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index 97d22c3e08b1..b087377ae2c4 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -115,6 +115,7 @@ extern void usermodehelper_init(void);
extern int usermodehelper_disable(void);
extern void usermodehelper_enable(void);
extern int usermodehelper_read_trylock(void);
+extern long usermodehelper_read_lock_wait(long timeout);
extern void usermodehelper_read_unlock(void);
#endif /* __LINUX_KMOD_H__ */