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2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/fs/fs_context.c
.. .. @@ -543,7 +543,8 @@
543 543  			return -ENOMEM;
544 544  	}
545 545  
546 -	ctx->legacy_data[size++] = ',';
546 +	if (size)
547 +		ctx->legacy_data[size++] = ',';
547 548  	len = strlen(param->key);
548 549  	memcpy(ctx->legacy_data + size, param->key, len);
549 550  	size += len;

..	..	@@ -543,7 +543,8 @@
543	543	return -ENOMEM;
544	544	}
545	545
546		- ctx->legacy_data[size++] = ',';
	546	+ if (size)
	547	+ ctx->legacy_data[size++] = ',';
547	548	len = strlen(param->key);
548	549	memcpy(ctx->legacy_data + size, param->key, len);
549	550	size += len;