The patch titled
Subject: module: export param_free_charp()
has been added to the -mm tree. Its filename is
module-export-param_free_charp.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/module-export-param_free_charp.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/module-export-param_free_charp.patch
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------------------------------------------------------
From: Dan Streetman <ddstreet@xxxxxxxx>
Subject: module: export param_free_charp()
Change the param_free_charp() function from static to exported.
It is used by zswap in the next patch ("zswap: use charp for zswap param
strings").
Signed-off-by: Dan Streetman <ddstreet@xxxxxxxx>
Acked-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Seth Jennings <sjennings@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/moduleparam.h | 1 +
kernel/params.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff -puN include/linux/moduleparam.h~module-export-param_free_charp include/linux/moduleparam.h
--- a/include/linux/moduleparam.h~module-export-param_free_charp
+++ a/include/linux/moduleparam.h
@@ -386,6 +386,7 @@ extern int param_get_ullong(char *buffer
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 -puN kernel/params.c~module-export-param_free_charp kernel/params.c
--- a/kernel/params.c~module-export-param_free_charp
+++ a/kernel/params.c
@@ -325,10 +325,11 @@ int param_get_charp(char *buffer, const
}
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,
_
Patches currently in -mm which might be from ddstreet@xxxxxxxx are
module-export-param_free_charp.patch
zswap-use-charp-for-zswap-param-strings.patch
zpool-remove-redundant-zpool-type-string-const-ify-zpool_get_type.patch
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