load_nls() take a char * parameter, use it to find nls module in list or
construct the module name to load it.
This change make load_nls() take a const parameter, so we don't need do
some cast like this:
ses->local_nls = load_nls((char *)ctx->local_nls->charset);
Also remove the cast in cifs code.
Suggested-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Winston Wen <wentao@xxxxxxxxxxxxx>
---
fs/nls/nls_base.c | 4 ++--
fs/smb/client/connect.c | 2 +-
include/linux/nls.h | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/nls/nls_base.c b/fs/nls/nls_base.c
index 52ccd34b1e79..a026dbd3593f 100644
--- a/fs/nls/nls_base.c
+++ b/fs/nls/nls_base.c
@@ -272,7 +272,7 @@ int unregister_nls(struct nls_table * nls)
return -EINVAL;
}
-static struct nls_table *find_nls(char *charset)
+static struct nls_table *find_nls(const char *charset)
{
struct nls_table *nls;
spin_lock(&nls_lock);
@@ -288,7 +288,7 @@ static struct nls_table *find_nls(char *charset)
return nls;
}
-struct nls_table *load_nls(char *charset)
+struct nls_table *load_nls(const char *charset)
{
return try_then_request_module(find_nls(charset), "nls_%s", charset);
}
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index 8ad10c96e8ce..238538dde4e3 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -2290,7 +2290,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx)
ses->sectype = ctx->sectype;
ses->sign = ctx->sign;
- ses->local_nls = load_nls((char *)ctx->local_nls->charset);
+ ses->local_nls = load_nls(ctx->local_nls->charset);
/* add server as first channel */
spin_lock(&ses->chan_lock);
diff --git a/include/linux/nls.h b/include/linux/nls.h
index 499e486b3722..e0bf8367b274 100644
--- a/include/linux/nls.h
+++ b/include/linux/nls.h
@@ -47,7 +47,7 @@ enum utf16_endian {
/* nls_base.c */
extern int __register_nls(struct nls_table *, struct module *);
extern int unregister_nls(struct nls_table *);
-extern struct nls_table *load_nls(char *);
+extern struct nls_table *load_nls(const char *charset);
extern void unload_nls(struct nls_table *);
extern struct nls_table *load_nls_default(void);
#define register_nls(nls) __register_nls((nls), THIS_MODULE)
--
2.40.1
