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-rw-r--r--fs/cifs/fs_context.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c
index c3c6d0cd291b..58da674c0365 100644
--- a/fs/cifs/fs_context.c
+++ b/fs/cifs/fs_context.c
@@ -627,6 +627,10 @@ static void smb3_fs_context_free(struct fs_context *fc)
static int smb3_verify_reconfigure_ctx(struct smb3_fs_context *new_ctx,
struct smb3_fs_context *old_ctx)
{
+ if (new_ctx->posix_paths != old_ctx->posix_paths) {
+ cifs_dbg(VFS, "can not change posixpaths during remount\n");
+ return -EINVAL;
+ }
if (new_ctx->sectype != old_ctx->sectype) {
cifs_dbg(VFS, "can not change sec during remount\n");
return -EINVAL;