| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.13 275/300] smb3: fix posix extensions mount option | Date | Mon, 13 Sep 2021 15:15:36 +0200 |
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From: Steve French <stfrench@microsoft.com>
commit 7321be2663da5922343cc121f1ff04924cee2e76 upstream.
We were incorrectly initializing the posix extensions in the conversion to the new mount API.
CC: <stable@vger.kernel.org> # 5.11+ Reported-by: Christian Brauner <christian.brauner@ubuntu.com> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Suggested-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Steve French <stfrench@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- fs/cifs/fs_context.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
--- a/fs/cifs/fs_context.c +++ b/fs/cifs/fs_context.c @@ -1259,10 +1259,17 @@ static int smb3_fs_context_parse_param(s ctx->posix_paths = 1; break; case Opt_unix: - if (result.negated) + if (result.negated) { + if (ctx->linux_ext == 1) + pr_warn_once("conflicting posix mount options specified\n"); ctx->linux_ext = 0; - else ctx->no_linux_ext = 1; + } else { + if (ctx->no_linux_ext == 1) + pr_warn_once("conflicting posix mount options specified\n"); + ctx->linux_ext = 1; + ctx->no_linux_ext = 0; + } break; case Opt_nocase: ctx->nocase = 1;
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