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small SMB mount option fix, also for stable 

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Merge tag '6.5-rc6-smb3-client-fix' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fix from Steve French:
 "A small SMB mount option fix, also for stable"

* tag '6.5-rc6-smb3-client-fix' of git://git.samba.org/sfrench/cifs-2.6:
  smb: client: fix null auth
This commit is contained in:
Linus Torvalds 2023-08-18 19:41:12 +02:00
parent cd479d9c72 270d73e650
commit 8abd7287db
1 changed files with 4 additions and 0 deletions
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4
fs/smb/client/fs_context.c
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@ -231,6 +231,8 @@ cifs_parse_security_flavors(struct fs_context *fc, char *value, struct smb3_fs_c
break;
case Opt_sec_none:
ctx->nullauth = 1;
kfree(ctx->username);
ctx->username = NULL;
break;
default:
cifs_errorf(fc, "bad security option: %s\n", value);
@ -1201,6 +1203,8 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
case Opt_user:
kfree(ctx->username);
ctx->username = NULL;
if (ctx->nullauth)
break;
if (strlen(param->string) == 0) {
/* null user, ie. anonymous authentication */
ctx->nullauth = 1;