Change the param_free_charp() function from static to exported.
It is used by zswap in the next patch.
Signed-off-by: Dan Streetman <ddstreet@xxxxxxxx>
---
include/linux/moduleparam.h | 1 +
kernel/params.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index c12f214..52666d9 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -386,6 +386,7 @@ extern int param_get_ullong(char *buffer, const struct kernel_param *kp);
extern const struct kernel_param_ops param_ops_charp;
extern int param_set_charp(const char *val, const struct kernel_param *kp);
extern int param_get_charp(char *buffer, const struct kernel_param *kp);
+extern void param_free_charp(void *arg);
#define param_check_charp(name, p) __param_check(name, p, char *)
/* We used to allow int as well as bool. We're taking that away! */
diff --git a/kernel/params.c b/kernel/params.c
index b6554aa..93a380a 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -325,10 +325,11 @@ int param_get_charp(char *buffer, const struct kernel_param *kp)
}
EXPORT_SYMBOL(param_get_charp);
-static void param_free_charp(void *arg)
+void param_free_charp(void *arg)
{
maybe_kfree_parameter(*((char **)arg));
}
+EXPORT_SYMBOL(param_free_charp);
const struct kernel_param_ops param_ops_charp = {
.set = param_set_charp,
--
2.1.0
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