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-rw-r--r--include/linux/moduleparam.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 02e5090ce32..9f51568f51c 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -36,6 +36,8 @@ struct kernel_param_ops {
int (*set)(const char *val, const struct kernel_param *kp);
/* Returns length written or -errno. Buffer is 4k (ie. be short!) */
int (*get)(char *buffer, const struct kernel_param *kp);
+ /* Optional function to free kp->arg when module unloaded. */
+ void (*free)(void *arg);
};
/* Flag bits for kernel_param.flags */