[PATCH v2 1/5] params: Introduce the param_unknown_fn type

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Introduce a new type for the callback to parse an unknown argument.
This unifies function prototypes which takes that as a parameter.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 include/linux/moduleparam.h | 6 +++---
 kernel/params.c             | 8 ++------
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 4fa9726bc328..bfb85fd13e1f 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -385,6 +385,8 @@ extern bool parameq(const char *name1, const char *name2);
  */
 extern bool parameqn(const char *name1, const char *name2, size_t n);
 
+typedef int (*parse_unknown_fn)(char *param, char *val, const char *doing, void *arg);
+
 /* Called on module insert or kernel boot */
 extern char *parse_args(const char *name,
 		      char *args,
@@ -392,9 +394,7 @@ extern char *parse_args(const char *name,
 		      unsigned num,
 		      s16 level_min,
 		      s16 level_max,
-		      void *arg,
-		      int (*unknown)(char *param, char *val,
-				     const char *doing, void *arg));
+		      void *arg, parse_unknown_fn unknown);
 
 /* Called by module remove. */
 #ifdef CONFIG_SYSFS
diff --git a/kernel/params.c b/kernel/params.c
index 2d4a0564697e..626fa8265932 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -120,9 +120,7 @@ static int parse_one(char *param,
 		     unsigned num_params,
 		     s16 min_level,
 		     s16 max_level,
-		     void *arg,
-		     int (*handle_unknown)(char *param, char *val,
-				     const char *doing, void *arg))
+		     void *arg, parse_unknown_fn handle_unknown)
 {
 	unsigned int i;
 	int err;
@@ -165,9 +163,7 @@ char *parse_args(const char *doing,
 		 unsigned num,
 		 s16 min_level,
 		 s16 max_level,
-		 void *arg,
-		 int (*unknown)(char *param, char *val,
-				const char *doing, void *arg))
+		 void *arg, parse_unknown_fn unknown)
 {
 	char *param, *val, *err = NULL;
 
-- 
2.40.0.1.gaa8946217a0b





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